Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dr. Shenara Musthaq provides expert care in dermatology for patients of all ages. Her practice includes the diagnosis and treatment of a wide range of skin, hair, and nail disorders, as well as cosmetic procedures such as lasers, neuromodulators, dermal fillers, platelet-rich plasma (PRP) therapy, and chemical peels. Dr. Musthaq’s primary focus is medical dermatology, delivered through evidence-based treatment and individualized care.
Dr. Musthaq earned her Bachelor of Science degree in Biology with a minor in Anthropology from Emory University in Atlanta, Georgia, and her medical degree from SUNY Downstate Medical College in Brooklyn, New York. During medical school, she completed a dermatology research fellowship at Memorial Sloan Kettering Cancer Center, contributing to peer-reviewed publications, a book chapter, and national presentations on melanoma, laser therapy, and patient decision aids in dermatology. She completed her internship in internal medicine at Lenox Hill Hospital in New York City follows by a dermatology residency at SUNY Downstate Medical Center, where she trained extensively in general dermatology, skin of color, pediatric dermatology, laser and cosmetic procedures, and dermatologic surgery.
Dr. Musthaq is a member of the American Academy of Dermatology and the Women’s Dermatologic Society. Originally from Philadelphia, she now resides in Manhattan. Outside of medicine, she is an avid tennis player and enjoys cooking.
For Javier Zelaya, MD, an experienced board-certified dermatologist and internist, health care goes beyond providing quality service. At Skinworks Dermatology, with locations in Maspeth, Chelsea, and South Slope, Brooklyn, Dr. Zelaya offers individualized proactive, as well as reactive, care and always puts the needs of the patient first.
After graduating from Williams College in Williamstown, Massachusetts, Dr. Zelaya attended the New York University School of Medicine. He completed dual residencies in internal medicine at the Montefiore Medical Center and the Albert Einstein College of Medicine Division of Dermatology in Bronx, New York, where he was chief resident. Dr. Zelaya went on to finish a cosmetic apprenticeship with Dr. George Farber in New Orleans.
Hard-working and prominent in his field, Dr. Zelaya is an active member of several professional organizations, including the American Academy of Dermatology, the American Society of Dermatologic Surgery, and the American Contact Dermatitis Society. For over two decades, Dr. Zelaya has been in practice with offices in both Brooklyn and Manhattan, New York.
From rosacea to wrinkle reduction and scarring, Dr. Zelaya treats all skin types and a range of medical and cosmetic skin conditions at Skinworks Dermatology. He provides a number of effective treatments, including laser technology and skin care products.
Dr. Zelaya develops personal treatment plans and helps patients make informed decisions. He knows that beauty isn’t just skin deep, and that beautiful skin comes from within. He offers the best external and internal solutions to improve overall wellness, so that skin health follows suit. Dr. Zelaya knows that when patients are radiating with health and happiness, their skin glows too.
Marisa Garshick, MD, FAAD is a leading board-certified dermatologist serving patients throughout Manhattan, New York and Englewood, NJ at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery, as well as an assistant clinical professor of dermatology at Cornell - New York Presbyterian Medical Center. Dr. Garshick provides a wide variety of cosmetic and medical procedures and services including treatments for acne, eczema, hyperhidrosis, moles, psoriasis, rosacea, signs of aging, skin cancer, skin tags, vitiligo, and wrinkles.
She completed her undergraduate education at Emory University and attended medical school at Tufts University School of Medicine, where she graduated with Research Honors and Alpha Omega Alpha. As a medical student, Dr. Garshick was awarded the prestigious Doris Duke Clinical Research Fellowship at Harvard Medical School, during which she performed dermatology clinical trials and research at Massachusetts General Hospital. She was also awarded the American Medical Women’s Association Glasgow-Rubin Academic Achievement Award for graduating in the top of her class and the William Dameshek Award for Research Excellence. Dr. Garshick’s post-graduate training in dermatology began with an internship at Memorial Sloan Kettering Cancer Center. She completed her dermatology residency at Cornell’s New York Presbyterian Hospital, where she served as Chief Resident in Dermatology. Dr. Garshick has numerous publications in scientific journals and book chapters, including a chapter on the treatment of acne, and has presented at national meetings. She specializes in general medical dermatology, including adults and pediatrics, and cosmetic dermatology, including neurotoxins, fillers, chemical peels, and lasers. Dr. Garshick is also involved in teaching the dermatology residents at Cornell, leading discussions reviewing the latest dermatology literature. She is a member of the American Academy of Dermatology, the American Society of Dermatologic Surgery and the Women’s Dermatologic Society, as well as an Assistant Clinical Professor.
Dr. Garshick and her colleagues at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery are currently accepting new patients and accept most major forms of insurance.
Michael Tassavor, MD, MS, is a board-certified dermatologist and attending physician at MDCS: Medical Dermatology and Cosmetic Surgery withoffices in the Midtown East and Upper East Side neighborhoods of New York City, as well as Smithtown, Commack, Hampton Bays, and Plainview, New York, and Clifton, Marlboro, and Englewood, New Jersey.
Dr. Tassavor provides medical and cosmetic dermatology care and performs highly specialized Mohs surgery to treat skin cancer.
After earning his Bachelor of Science in molecular and cell biology at the University of Connecticut (UConn) in Storrs, Connecticut, Dr. Tassavor completed a Master of Science in biomedical sciences at Tufts University in Boston, Massachusetts.
He continued his schooling at the UConn School of Medicine in Farmington, Connecticut, earning his Doctor of Medicine. He completed a one-year medical internship at Tufts Medical Center in Boston before relocating to New York City for his dermatology residency at Icahn School of Medicine at Mount Sinai.
Then, Dr. Tassavor completed his micrographic surgery and dermatologic oncology fellowship training with Brett Coldiron, MD, in Cincinnati, Ohio.
Dr. Tassavor is a fellow of the American Academy of Dermatology (AAD), a resident member of the New York State Society of Dermatology and Dermatologic Surgery (NYSSDDS), and on the coding and reimbursement committee of the AAD.
Dedicated to his profession, Dr. Tassavor has published multiple scientific studies in peer-reviewed journals and authored a chapter in a dermatological surgery book.
While in school, Dr. Tassavor gained an interest in working with underserved and vulnerable individuals and continues to use his skills as a physician to provide expert care to those in need.
“I AM A PROFESSIONAL, SO I LOOK AT THE DETAIL. THE RECEPTION STAFF WAS VERY PLEASEING AND HELPFUL IN GETTING YOU AN APPOINTMENT IN. THE MED ASST. WERE VERY GOOD, DETAILED AND CONSIDERATE. Dr. Tassavor was pleasant AND INFORMED ON THE PROCEDURE OF SHOULDER POSTION, REMOVAL OF BASIL CELL LEASION APPROX 3/4 INCH. THE PROCEDURE WAS EXPLAINED CLEARLY AND TIME WAS SCHEDULED. APPROX 3.5 HOURS IN ALL. I FELT CONFIDENT IN THE STAFF AND PHYSICIAN. THX MIKE KOONTZ 201-233-4700. (TIGHT SITTING AREA, BUT OUTSIDE WAS FINE) I WAS TAKEN ON TIME AND WAITED ABOUT 20 MIN, THAT'S FINE!”
Michael Tassavor, MD
Dermatologist
401A South Van Brunt Street
Suite 403
Englewood, NJ 07631
4.92(1130)
4.92
(1390)
Dr. Snehal Amin, MD
Dermatologist 15.4 mi
4.92(1390)
401A South Van Brunt Street
Suite 403
Englewood, NJ 07631
Snehal Amin, MD, FACMS, FAAD is co-founder and surgical director of MDCS Dermatology: Medical Dermatology & Cosmetic Surgery, located in Manhattan, Upper East Side, Commack, Hampton Bays and Plainview, NY, Clifton, and Englewood, New Jersey. As a board-certified dermatologic surgeon, he has:
Provided top-notch patient care and life changing skin transformations
Published numerous ongoing publications
Focused on Mohs micrographic surgery, laser resurfacing, pediatric/adult lasers, and facial cosmetic reconstructions
Dr. Amin has:
Previously served as Director of Mohs, Laser, and Dermatologic Surgery for New York Medical College
Previously served as the interim Director of Mohs Surgery at Cornell - New York Presbyterian Medical Center
Received numerous research grants for his groundbreaking work in melanoma, laser medicine, and skin cancer biology
Dr. Amin graduated from Harvard College (magna cum laude)with dual degrees in Biology and Sanskrit. He then:
Graduated from Albert Einstein College of Medicine Alpha omega alpha medical honor society
Served as Chief Resident in dermatology at Cornell’s New York-Presbyterian Hospital
Became board certified in skin cancer surgery and cosmetic dermatologic surgeries
Dr. Amin currently serves as Clinical Assistant Professor of Dermatology at Weill-Cornell Medical College. He is a fellow of both the American College of Mohs Surgery and the American Society of Dermatologic Surgery.
Dr. Sheena Desai is a board-certified dermatologist with expertise in medical, surgical, and cosmetic dermatology. She received her medical degree from Tufts University School of Medicine and completed her dermatology residency at Northwell Health, where she served as Cosmetic Chief Resident. In addition to her MD, Dr. Desai holds an MBA from the Heller School at Brandeis University, providing her with a unique understanding of both patient care and healthcare systems.
Dr. Desai has authored numerous publications in leading dermatology journals and has presented nationally on topics including skin cancer prevention, autoimmune skin conditions, and healthcare policy. Her clinical interests include acne, rosacea, eczema, skin cancer detection and treatment, and minimally invasive aesthetic procedures such as lasers, injectables, and microneedling.
With a warm, thoughtful approach, Dr. Desai is committed to delivering high-quality, personalized care to each of her patients.
She sees patients at MDCS Dermatology in Clifton and Englewood, New Jersey.
“I had such a great experience with Dr. Sheena. From the moment I walked in, I felt comfortable and taken seriously. She really took her time listening to my concerns and didn’t rush through the appointment, which I appreciated a lot.
She explained everything clearly in a way that actually made sense and made sure I understood my options before moving forward. You can tell she genuinely cares about her patients and wants the best results for them.
The whole visit felt very professional but also personal at the same time. I left feeling confident about my treatment plan and honestly wish I had found her sooner. Highly recommend!”
Sheena Desai, MD, MBA
Dermatologist
401A South Van Brunt Street
Suite 403
Englewood, NJ 07631
Angela Azar, MD, is a skilled and practiced Board-Certified Dermatologist specializing in Aesthetic Dermatology and Pediatric and Adult Dermatology at Angela Azar, MD. Dr. Azar leads her self-named dermatology practice, providing outstanding care for all patients in Great Neck and Jackson Heights, New York.
Education and learning have always been of importance to Dr. Azar. In 1996 she received her Medical Degree from Mount Sinai School of Medicine, now called Icahn School of Medicine at Mount Sinai, located in New York City, New York.
From 1997 to 2000, Dr. Azar completed an Internship at Montefiore Medical Center (Montefiore Hospital) in the Bronx, New York, and a Dermatology Residency at NY Medical College (NYMC) in Valhalla, New York.
Dr. Azar is a talented Adult and Pediatric Dermatologist and Cosmetic Surgeon who obtained Board Certification from the American Board of Dermatology (ABD). She is affiliated with North Shore University Hospital in Manhasset, New York, and NY Columbia Presbyterian Hospital in Manhattan.
She has been practicing since 2000, giving her years of experience in the field of Cosmetic and Medical Dermatology.
Dr. Azar and her team specialize in treating a variety of skin disorders, including alopecia and various types of hair loss. She is also skilled in treating skin cancer and performing earlobe repair.
Request a consultation today by calling Angela Azar, MD. Or use the convenient online booking system today.
Sydney Coscia is a dedicated Physician Assistant specializing in dermatology. Sydney earned her Master of Science in Physician Assistant (MSPA) degree from St. John’s University in June 2024, where she built a strong clinical foundation and a deep commitment to patient-centered care.
Her passion for dermatology grew from a desire to help patients feel confident in their own skin, addressing both medical and cosmetic concerns with compassion and expertise. Sydney is particularly drawn to the field’s unique combination of procedural work and long-term patient relationships, which allows her to witness meaningful, lasting improvements in her patients’ health and well-being.
To further her dedication and expertise, Sydney is completing a dermatology fellowship through the Society of Dermatology Physician Assistants (SDPA). She remains committed to continuous learning and providing high-quality, evidence-based care. Known for her approachable demeanor, attentiveness, and warm bedside manner, Sydney is a valued member of our team and is well-respected by her patients.
Board-Certified Physician Assistant | Medical & Cosmetic Dermatology
Allison Jaekle, M.S., RPA-C, is a board-certified physician assistant specializing in medical and cosmetic dermatology at the Skin Institute of New York (SINY®). Born and raised on Long Island, Allison brings a strong academic foundation, advanced clinical training, and a patient-centered approach to every visit.
Her goal is to restore and enhance the skin’s natural beauty through individualized care plans tailored to each patient’s unique needs.
Allison’s education reflects both academic excellence and leadership achievement:
Bachelor’s Degree in History (Public Health Concentration) – Binghamton University
Bachelor of Science in Health Sciences – Touro College
Master in Physician Assistant Studies – Touro College
Upon graduation, Allison received the Leadership Award, Academic Achievement Award, and Clinical Achievement Award, recognizing her excellence in scholarship, patient care, and leadership.
She is a board-certified physician assistant and remains actively engaged in continuing education to stay at the forefront of dermatologic advancements.
Clinical Expertise & Special Interests
Allison provides comprehensive dermatologic care with expertise in:
Medical dermatology
Cosmetic dermatology
Skin cancer screenings
Acne and inflammatory skin conditions
Preventative skin care
Aesthetic treatment planning
Her approach prioritizes collaboration and education. Patients consistently note that she takes the time to listen, thoroughly explain treatment options, and ensure they feel confident in their care decisions.
Professional Memberships
Allison is an active member of:
American Academy of Physician Assistants
New York State Society of Physician Assistants
Society for Dermatology Physician Assistants
Her professional involvement reflects her commitment to maintaining the highest standards of dermatologic care.
Patient Experience & Satisfaction
Patients frequently describe Allison as professional, thorough, compassionate, and easy to talk to. Many highlight how she spends ample time answering questions, explaining diagnoses and procedures clearly, and creating collaborative treatment plans.
Patients also praise the attentive and friendly SINY team, efficient appointment scheduling, and the feeling of being truly seen and heard during each visit.
Convenient Locations in New York
Allison Jaekle sees patients at multiple SINY Dermatology locations, providing accessible care across Brooklyn and Long Island.
Bay Ridge, Brooklyn
7901 4th Ave, Brooklyn, NY 11209 Phone: 800-778-3090
Hours:
Mon-Thu: 9:00 AM – 8:00 PM
Fri: 9:00 AM – 6:30 PM
Sat: 9:00 AM – 3:00 PM
Sun: 9:00 AM – 2:00 PM
Serving patients from: Bay Ridge, Dyker Heights, Bensonhurst, Sunset Park, Fort Hamilton, Staten Island, and surrounding South Brooklyn communities.
Allison Jaekle accepts a wide range of major insurance plans, including:
Aetna
Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
Blue Cross Blue Shield (including Federal Employee Program)
Cigna & Cigna-HealthSpring
UnitedHealthcare & Oxford
EmblemHealth (GHI)
Healthfirst (NY)
Medicare
Fidelis Care (NY)
Humana
MagnaCare
MetroPlus Health Plan
Oscar Health
1199SEIU
Surest Health Plans
Additional plans accepted. Patients are encouraged to contact SINY Dermatology to confirm coverage prior to their visit.
About SINY Dermatology (Skin Institute of New York)
The Skin Institute of New York is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York. SINY Dermatology physicians combine academic excellence, clinical research, and patient-focused care to deliver advanced skin treatments tailored to each individual.
Dr. Regina Zambrano DiFiore is a board-certified dermatologist at the Skin Institute of New York (SINY®), providing comprehensive dermatologic care at the Massapequa, Long Island location. Born and raised on the South Shore of Long Island, Dr. Zambrano DiFiore is proud to serve the community she calls home, caring for patients of all ages with a compassionate, highly personalized approach.
She is trained in medical, pediatric, and cosmetic dermatology, with advanced experience treating all skin types. Patients appreciate her thorough evaluations, clear communication, and commitment to developing treatment plans that align with each individual’s needs and goals.
Dr. Zambrano DiFiore’s academic excellence and leadership background reflect her dedication to high-quality, evidence-based dermatologic care:
Bachelor of Science in Biology (Honors) – Stony Brook University Specialization: Developmental Genetics
Doctor of Osteopathic Medicine (DO) – Nova Southeastern University, Fort Lauderdale, FL
Master of Public Health (MPH) – Nova Southeastern University
Internship & Dermatology Residency – St. John’s Episcopal Hospital Chief Resident, Final Year
Her dual medical and public health training allows Dr. Zambrano DiFiore to approach dermatology with a broad, patient-centered perspective that emphasizes both treatment and long-term skin health.
Clinical Expertise & Special Interests
Dr. Zambrano DiFiore provides comprehensive care for conditions affecting the skin, hair, and nails, including both common and complex dermatologic concerns. Her areas of focus include:
Medical dermatology for acute and chronic skin conditions
Pediatric dermatology
Skin cancer screening and early detection
Hair and scalp disorders
Nail conditions
Cosmetic dermatology, including:
Neurotoxins (Botox® and similar treatments)
Dermal fillers
With a thoughtful, minimalistic approach to aesthetics, she focuses on enhancing her patients’ natural beauty—creating treatment plans that are subtle, balanced, and tailored to individual goals. Her philosophy centers on helping patients look refreshed, confident, and like the best version of themselves.
Patient-Centered Philosophy
Dr. Zambrano DiFiore is deeply committed to building long-term relationships with her patients. She strives to create an approachable, supportive environment where patients feel heard, respected, and actively involved in their care.
She is passionate about patient education, empowering individuals to understand their conditions and treatment options so they can confidently participate in their dermatologic journey. Dr. Zambrano DiFiore remains actively engaged with the latest advancements in dermatology to ensure her patients receive safe, effective, and innovative care.
Patient Experience & Satisfaction
Patients consistently describe Dr. Zambrano DiFiore as attentive, knowledgeable, and genuinely caring. Many highlight her ability to listen closely, explain treatment options clearly, and follow up personally to ensure optimal outcomes.
Convenient Location in Long Island
Dr. Zambrano DiFiore sees patients at the SINY Dermatology Massapequa office, serving families and individuals throughout the South Shore of Long Island.
Massapequa, Long Island
83A Grand Ave, Massapequa, NY 11758 Phone: 800-778-3090
Hours:
Mon, Thu & Fri: 9:00 AM – 5:00 PM
Tue: 12:00 PM – 8:00 PM
Wed: Closed
Sat: By appointment
Sun: Closed
Serving patients from: Massapequa, Massapequa Park, Seaford, Wantagh, Bellmore, Amityville, Farmingdale, and surrounding Long Island communities.
Dr. Zambrano DiFiore accepts many major insurance plans commonly used throughout Long Island and New York, including:
Aetna
Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
Blue Cross Blue Shield
Cigna & Cigna-HealthSpring
UnitedHealthcare & Oxford
EmblemHealth (GHI)
Healthfirst (NY)
Medicare
Humana
Fidelis Care (NY)
AvMed
1199SEIU
Multiplan PHCS
Additional plans may be accepted. Please contact SINY Dermatology to confirm coverage prior to your visit.
About SINY Dermatology (Skin Institute of New York)
The Skin Institute of New York (SINY®) is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York. SINY Dermatology physicians combine academic excellence, advanced clinical training, and patient-focused care to deliver high-quality, individualized treatment for every patient.
Board-Certified Dermatologist | Upper East Side, NYC
Dr. Sydney Liang, MD, is a board-certified dermatologist and Fellow of the American Academy of Dermatology. She specializes in medical, cosmetic, and surgical dermatology, delivering compassionate, high-quality, and patient-centered care to patients in Manhattan’s Upper East Side and throughout New York City.
Dr. Liang combines academic excellence, surgical precision, and aesthetic artistry to help patients achieve healthy skin and natural-looking cosmetic results.
Dr. Liang’s academic background reflects exceptional achievement and dedication to excellence.
She completed her undergraduate degrees in cell biology, genetics, and human development at the University of Maryland, graduating summa cum laude and earning early acceptance to the Phi Beta Kappa Honor Society as a junior.
She earned her medical degree from the New York University School of Medicine, where she was elected to the prestigious Alpha Omega Alpha Medical Honor Society and graduated at the top of her class.
Dr. Liang completed her dermatology residency at the NYU Langone Health, within the Ronald O. Perelman Department of Dermatology. During residency, she received multiple awards for academic excellence, leadership, and research, culminating in the Morris Leider MD Award for “Best All-Around Resident.”
Her commitment to ongoing education ensures patients receive the most current, cutting-edge, and evidence-based dermatologic treatments available.
Dermatologic Expertise & Special Interests
Dr. Liang provides comprehensive care for conditions of the skin, hair, and nails, with particular expertise in:
Skin Cancer Prevention & Surgical Management
Skin cancer screenings
Early detection and prevention
Surgical treatment of skin cancers
Precision excisions
Medical Dermatology
Acne and acne scarring
Rosacea
Psoriasis
Complex inflammatory skin disorders
Cosmetic Dermatology
Cosmetic injectables (neuromodulators and fillers)
Laser treatments
Skin resurfacing procedures
Personalized aesthetic treatment planning
Her approach emphasizes safety, evidence-based medicine, and treatments tailored to each patient’s unique goals and skin type.
Academic Leadership & Research
In addition to treating patients at SINY®, Dr. Liang teaches future dermatologists at New York University School of Medicine. She has presented at numerous regional and national dermatology conferences and has authored scholarly publications in leading dermatology journals.
Her dedication to advancing dermatologic science reinforces her commitment to delivering exceptional patient care.
Patient Experience & Satisfaction
Dr. Liang places patients at the forefront of every visit. Known for her empathetic demeanor and exceptional communication skills, she creates a comfortable environment where patients feel heard and respected.
Practice Location
Upper East Side
69 E 76th St, New York, NY 10021 Phone: 800-778-3090
Hours:
Mon: 9:00 AM – 5:00 PM
Tue-Thu: 9:00 AM – 8:00 PM
ri: 8:00 AM – 4:00 PM
Sat-Sun: Closed
Serving patients from: Upper East Side, Lenox Hill, Carnegie Hill, Yorkville, Midtown East, Roosevelt Island, Upper West Side, East Harlem, and surrounding Manhattan communities.
Accepted Insurance Plans
Dr. Liang participates with many major insurance plans, including:
Aetna
Blue Cross Blue Shield (including Empire BCBS)
Cigna
EmblemHealth
HealthFirst (NY)
UnitedHealthcare
Oscar Health
Medicare
1199SEIU
Multiplan PHCS
Fidelis Care
For specific plan verification, patients are encouraged to contact the office directly.
About SINY Dermatology (Skin Institute of New York)
The Skin Institute of New York is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York. SINY Dermatology physicians combine academic excellence, clinical research, and patient-focused care to deliver advanced skin treatments tailored to each individual.
Board-Certified Dermatologist | Acne, Hair Loss & Medical Dermatology Specialist
Dr. Peter Saitta is a highly regarded board-certified dermatologist at the Skin Institute of New York (SINY Dermatology), known nationally and internationally for his expertise in acne, hair loss, contact dermatitis, and complex medical dermatology. He treats both adult and pediatric patients, combining advanced clinical research experience with compassionate, patient-centered care.
Dr. Saitta’s academic background and leadership training distinguish him as a leader in modern dermatology:
Bachelor of Arts – New York University (NYU)
Doctor of Osteopathic Medicine – University of Medicine and Dentistry of New Jersey
Dermatology Residency (Chief Resident) – Affiliated with Michigan State University
Recipient of national awards for leadership and academic excellence
During his residency, Dr. Saitta trained under a world-recognized authority in acne, where he also served as Clinical Research Director on multiple acne treatment studies. His work contributed to the development and refinement of some of the most advanced acne therapies available today—innovations he now brings directly to his patients at SINY Dermatology.
Clinical Expertise & Special Interests
Dr. Saitta provides comprehensive medical dermatology care with particular focus on:
Acne treatment (teen and adult acne, hormonal acne, treatment-resistant acne)
Hair loss and scalp disorders
Contact dermatitis and complex rashes
Hand, face, and scalp rashes
Skin cancer screening, diagnosis, and treatment
Pediatric dermatology
Research, Publications & National Leadership
Dr. Saitta is deeply involved in advancing the field of dermatology through research, education, and professional leadership:
Member, American Osteopathic College of Dermatology
National committee member, Dermatology Resident In-Service Examination
Recognized author and subject-matter leader in contact dermatitis in the Yearbook of Dermatology
International lecturer on acne, hair loss, and the psychological effects of skin disease
Author of numerous peer-reviewed publications, many widely available online
He is also joining the Dermatology Residency Program at St. Barnabas Hospital in New York, where he will help train the next generation of dermatologists.
Patient Experience & Satisfaction
Patients frequently highlight Dr. Saitta’s thorough approach, clear communication, and ability to treat complex or long-standing skin concerns with leading-edge yet practical solutions.
Convenient Locations in New York
Dr. Saitta sees patients at multiple SINY Dermatology locations across Brooklyn and Long Island, providing convenient access to expert dermatologic care for surrounding neighborhoods and communities. Patients can easily request an appointment with Dr. Peter Saitta online using the location scheduling links below.
Bay Ridge, Brooklyn
7901 4th Ave, Brooklyn, NY 11209 Phone: 800-778-3090
Hours:
Mon-Thu: 9:00 AM – 8:00 PM
Fri: 9:00 AM – 6:30 PM
Sat: 9:00 AM – 3:00 PM
Sun: 9:00 AM – 2:00 PM
Serving patients from: Bay Ridge, Dyker Heights, Bensonhurst, Sunset Park, Fort Hamilton, Staten Island, and surrounding South Brooklyn communities.
76 7th Ave, Brooklyn, NY 11217 Phone: 800-778-3090
Hours:
Mon-Tue: 9:00 AM – 8:00 PM
Wed-Thu: 8:00 AM – 8:00 PM
Fri: 9:00 AM – 7:00 PM
Sat: 9:00 AM – 5:00 PM
Sun: 10:00 AM – 3:00 PM
Serving patients from: Park Slope, Prospect Heights, Gowanus, Boerum Hill, Carroll Gardens, Cobble Hill, Downtown Brooklyn, and surrounding neighborhoods.
Dr. Saitta accepts a wide range of major insurance plans, including:
Aetna
Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
Blue Cross Blue Shield (including Federal Employee Program)
Cigna & Cigna-HealthSpring
UnitedHealthcare & Oxford
EmblemHealth (GHI)
Healthfirst (NY)
Medicare
Humana
Fidelis Care (NY)
Oscar Health
MetroPlus Health Plan
1199SEIU
Additional plans accepted. Please contact SINY Dermatology to confirm coverage prior to your visit.
About SINY Dermatology (Skin Institute of New York)
The Skin Institute of New York is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York. SINY Dermatology physicians combine academic excellence, clinical research, and patient-focused care to deliver advanced skin treatments tailored to each individual.
Dr. Ezra Hazan is a board certified dermatologist and fellowship trained Mohs surgeon. He graduated with honors from Jefferson Medical College in Philadelphia, PA. Dr. Hazan went on to do an internship in internal medicine at Maimonides Medical Center in Brooklyn, NY. He then completed his dermatology residency at Thomas Jefferson University Hospital and fellowship in Mohs micrographic surgery and cosmetic dermatology at Mount Sinai Hospital. There he gained extensive knowledge and experience in procedural dermatology, including surgery of the skin as well as advanced cosmetic procedures like injectables, lasers and light based technologies.
Dr. Hazan is on staff at Mount Sinai Hospital, where he helps train dermatology residents, and at Penn Medicine Princeton Medical Center. He has published many academic journal articles and authored multiple textbook chapters on various topics in the field of dermatology. Dr. Hazan is a member of the American Academy of Dermatology, American Society for Dermatologic Surgery and American College of Mohs Surgery. He is passionate about the management and treatment of skin cancers, as well as cosmetic treatments and general dermatologic conditions. He strives to provide personalized quality care to all of his patients.
Sherry H. Hsiung, MD, is a board-certified dermatologic surgeon at the Skin Institute of New York (SINY®). Dr. Hsiung also practices general and cosmetic dermatology at SINY’s® three New York City–area offices, in the city’s West Village and in the Bay Ridge and Park Slope areas of Brooklyn, New York.
At the Massachusetts Institute of Technology in Cambridge, Massachusetts, Dr. Hsiung earned undergraduate degrees in both biology and chemical engineering, graduating with honors. While earning her medical degree from the University of Pennsylvania Medical School in Philadelphia, she was a member of the prestigious Alpha Omega Alpha Honor Medical Society. She then completed her residency in dermatology at New York University School of Medicine in New York City, serving as chief resident.
Dr. Hsiung retains active memberships in the American Academy of Dermatology and the American Society of Dermatologic Surgery, and she has lectured on dermatology topics at local and national conferences. She serves as a medical editor for the Journal of Drugs in Dermatology and is a consultant for the Kiehl’s Dermatology Advisory Board.
As a crucial part of the SINY® medical team, Dr. Hsiung specializes in Mohs Micrographic Surgery, a surgical technique used to treat skin cancer, focused on removing all of the cancer cells while preserving the healthy tissue in sensitive areas such as the face, hands, feet or genitals. She completed a prestigious fellowship in Mohs surgery with Dr. Perry Robins at NYU, and she is an active member of the American College of Mohs Surgery. Dr. Hsiung’s surgical expertise ranges from the simplest excisions to the most extensive skin cancer surgeries and repairs.
Board-Certified Dermatologist | Medical & Pediatric Dermatology
Dr. Sergey Petrosian is a board-certified dermatologist at the Skin Institute of New York (SINY®), providing comprehensive dermatologic care to adult and pediatric patients across Brooklyn and Manhattan. A native New Yorker who grew up in Queens, Dr. Petrosian is deeply connected to the communities he serves in Park Slope, Bay Ridge, and the Upper East Side
Known for his thorough evaluations, attentive bedside manner, and patient-centered treatment plans, Dr. Petrosian is committed to delivering evidence-based dermatologic care in a welcoming, professional environment.
Dr. Petrosian’s academic and medical training reflect strong New York roots and rigorous clinical preparation:
Graduate of Brooklyn Technical High School
Bachelor of Science – University of Medicine and Dentistry of New Jersey
Dermatology Residency (Chief Resident) – Stony Brook University
Doctor of Osteopathic Medicine (DO) – New York Institute of Technology College of Osteopathic Medicine (formerly NYCOM)
Dermatology Residency – St. John's Episcopal Hospital, affiliated with Lake Erie College of Osteopathic Medicine
His residency training provided comprehensive experience in medical dermatology, procedural dermatology, and the management of complex skin conditions across diverse patient populations
Clinical Expertise & Special Interests
Dr. Petrosian treats both adult and pediatric patients and provides care for a wide range of dermatologic conditions, including:
Acne and inflammatory skin conditions
Eczema and psoriasis
Skin cancer screenings and lesion evaluation
Pediatric dermatology
General medical dermatology
Preventative skin care
Patients consistently note his ability to listen carefully, thoroughly explain diagnoses, and create structured treatment plans that lead to measurable improvement.
Patient Experience & Satisfaction
Patients frequently describe Dr. Petrosian as kind, knowledgeable, and exceptionally thorough. Many appreciate that he takes the time to address concerns in detail and follows up thoughtfully to ensure progress and symptom improvement.
Convenient Locations in New York
Dr. Petrosian sees patients at SINY Dermatology offices in Brooklyn and Manhattan.
Park Slope, Brooklyn
76 7th Ave, Brooklyn, NY 11217 Phone:800-778-3090
Hours:
Mon–Tue: 9:00 AM – 8:00 PM
Wed–Thu: 8:00 AM – 8:00 PM
Fri: 9:00 AM – 7:00 PM
Sat: 9:00 AM – 5:00 PM
Sun: 10:00 AM – 3:00 PM
Serving patients from: Park Slope, Prospect Heights, Gowanus, Boerum Hill, Cobble Hill, Carroll Gardens, Windsor Terrace, Sunset Park, and surrounding Brooklyn communities.
69 E 76th St, New York, NY 10021 Phone: 800-778-3090
Hours:
Mon: 9:00 AM – 5:00 PM
Tue–Thu: 9:00 AM – 8:00 PM
Fri: 8:00 AM – 4:00 PM
Sat–Sun: Closed
Serving patients from: Upper East Side, Lenox Hill, Carnegie Hill, Yorkville, Midtown East, Roosevelt Island, Upper West Side, East Harlem, and surrounding Manhattan communities.
Dr. Petrosian accepts a wide range of major insurance plans, including:
Aetna
Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
Blue Cross Blue Shield
Cigna & Cigna-HealthSpring
UnitedHealthcare & Oxford
EmblemHealth (GHI / HIP)
Healthfirst (NY)
Medicare
Fidelis Care (NY)
Humana
MagnaCare
Meritain Health
Multiplan PHCS
Oscar Health
1199SEIU
Surest Health Plans
Regence Blue Cross Blue Shield
Additional plans accepted. Patients are encouraged to confirm coverage prior to scheduling.
About SINY Dermatology (Skin Institute of New York)
The Skin Institute of New York is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York. SINY Dermatology physicians combine academic excellence, clinical research, and patient-focused care to deliver advanced skin treatments tailored to each individual.
Dr. Costner McKenzie is a board-certified dermatologist at the Skin Institute of New York (SINY®), providing comprehensive dermatologic care to adult and pediatric patients in Manhattan. With expertise in both medical and cosmetic dermatology, Dr. McKenzie combines academic excellence, research leadership, and compassionate patient care to deliver individualized, evidence-based treatment plans.
Dr. McKenzie’s academic and clinical training reflect a deep commitment to excellence:
Bachelor’s Degree in Human Biology – Stanford University
Doctor of Medicine (MD) – Northwestern University Feinberg School of Medicine
Inducted into the prestigious Alpha Omega Alpha Honor Medical Society
Dermatology Residency (Chief Resident) – New York University
At Northwestern, Dr. McKenzie’s academic performance and dedication to medicine earned him membership in Alpha Omega Alpha, recognizing exceptional academic achievement and professionalism. During residency at NYU, he refined his diagnostic, surgical, and cosmetic skills under nationally recognized leaders in dermatology and served as Chief Resident in his final year.
Clinical Expertise & Special Interests
Dr. McKenzie provides comprehensive dermatologic care with special focus on:
Eczema and inflammatory skin disorders
Acne and acne scarring
Hair loss and scalp conditions
Skin cancer screening and prevention
Cosmetic dermatology and injectables
Pediatric dermatology
His clinical and research interests also include health disparities in dermatology, reflecting his commitment to equitable and inclusive skin care for patients of all backgrounds
Dr. McKenzie is known for combining scientific rigor with a highly personalized approach, ensuring each patient feels heard, supported, and confident in their treatment plan.
Research, Publications & Academic Leadership
Dr. McKenzie is a well-published author with research featured in respected dermatology journals. He has presented his work at national and international meetings, contributing to advancements in the understanding and treatment of eczema, acne, hair loss, and dermatologic health disparities
He remains actively involved in medical education and is committed to mentoring and training future dermatologists.
Active Member, American Academy of Dermatology
Contributor to peer-reviewed dermatology literature
National and international presenter
Patient Experience & Satisfaction
Patients consistently describe Dr. McKenzie as personable, knowledgeable, and exceptionally attentive. Many highlight his outstanding bedside manner, noting that they never feel rushed and always feel fully heard. He is frequently praised for clearly explaining diagnoses and treatment options, providing structured care plans, and ensuring patients leave feeling confident and informed.
Patients also commend the professionalism and friendliness of the SINY team, efficient scheduling, and welcoming office environment
Patient Experience & Satisfaction
Patients consistently describe Dr. McKenzie as personable, knowledgeable, and exceptionally attentive. Many highlight his outstanding bedside manner, noting that they never feel rushed and always feel fully heard. He is frequently praised for clearly explaining diagnoses and treatment options, providing structured care plans, and ensuring patients leave feeling confident and informed.
Patients also commend the professionalism and friendliness of the SINY team, efficient scheduling, and welcoming office environment.
Convenient Locations in New York
Dr. McKenzie sees patients at two SINY Dermatology locations in Manhattan, offering convenient access to expert dermatologic care.
Upper East Side
69 E 76th St, New York, NY 10021 Phone: 800-778-3090
Hours:
Mon: 9:00 AM – 5:00 PM
Tue-Thu: 9:00 AM – 8:00 PM
ri: 8:00 AM – 4:00 PM
Sat-Sun: Closed
Serving patients from: Upper East Side, Lenox Hill, Carnegie Hill, Yorkville, Midtown East, Roosevelt Island, Upper West Side, East Harlem, and surrounding Manhattan communities.
1000 Park Ave, New York, NY 10028 Phone:800-778-3090
Hours:
on-Tue: 9:00 AM – 5:00 PM
Wed: 12:00 PM – 8:00 PM
Thu: 9:00 AM – 5:00 PM
Fri: Closed
Sat: 10:00 AM – 3:00 PM
Sun: Closed
Serving patients from: Upper East Side, Carnegie Hill, Lenox Hill, Yorkville, Midtown East, Central Park East, and surrounding Manhattan neighborhoods.
Dr. McKenzie accepts a wide range of major insurance plans, including:
Aetna
Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
Blue Cross Blue Shield (including Federal Employee Program)
Cigna & Cigna-HealthSpring
UnitedHealthcare & Oxford
EmblemHealth (GHI)
Healthfirst (NY)
Medicare
Fidelis Care (NY)
Humana
Oscar Health
MetroPlus Health Plan
MagnaCare
1199SEIU
Additional plans accepted. Patients are encouraged to contact SINY Dermatology to confirm coverage prior to their visit.
About SINY Dermatology (Skin Institute of New York)
The Skin Institute of New York is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York. SINY Dermatology physicians combine academic excellence, clinical research, and patient-focused care to deliver advanced skin treatments tailored to each individual.
Dr. Rebeca Teplitz is a board-certified dermatologist specializing in medical, surgical, and cosmetic dermatology. She provides expert care for a diverse range of skin, hair, and nail conditions for patients of all ages.
Dr. Teplitz graduated magna cum laude from the George Washington University with a degree in cognitive neuroscience and a minor in business administration. She earned her medical degree from the New York Institute of Technology College of Osteopathic Medicine. She went on to complete her internship in Family Medicine and her Dermatology Residency at St. John's Episcopal Hospital, where she excelled as Chief Resident.
Dedicated to continuous learning and advancement in dermatology, Dr. Teplitz regularly contributes to research and has authored numerous articles in peer-reviewed journals. She serves on the editorial board for SKIN The Journal of Cutaneous Medicine and is an active member of the American Academy of Dermatology. Dr. Teplitz also dedicates time to educating the next generation of dermatologists as a Clinical Instructor at NYU.
With a patient-centered philosophy, Dr. Teplitz focuses on creating personalized care plans that aim to boost confidence and comfort, while enhancing the natural beauty of her patients. Her commitment ensures every patient feels fully supported throughout their treatment journey, helping them meet their unique needs and goals.
Beyond her clinical practice, Dr. Teplitz enjoys spending time with her family, practicing Pilates, and immersing herself in the vibrant culture of New York City. She stays up-to-date with the latest trends in dermatology and skincare to bring the most effective treatments to her patients.
Dr. Teplitz looks forward to welcoming you and working together to achieve healthy, glowing skin so you can feel your best, both inside and out!
Founder of SINY Dermatology | Board-Certified Dermatologist | Clinical Professor of Dermatology
Dr. Ronald R. Brancaccio is the founder of the Skin Institute of New York (SINY®), a leading dermatology group serving New York City and Long Island since 1979. A board-certified dermatologist with decades of clinical experience, Dr. Brancaccio diagnoses and treats a wide range of dermatologic conditions affecting the skin, hair, and nails.
Throughout his career, he has combined patient care with academic leadership, dermatology research, and physician education. In addition to treating patients at SINY Dermatology offices in Manhattan and Brooklyn, he serves as a clinical professor at New York University School of Medicine, where he helps train future dermatologists.
Known for his depth of expertise, thoughtful diagnostic approach, and commitment to patient-centered care, Dr. Brancaccio has built a reputation as one of New York’s most respected dermatologists.
Dr. Brancaccio’s medical training laid the foundation for a long and distinguished career in dermatology.
Doctor of Medicine (MD) – George Washington University School of Medicine
Medical Internship – Lenox Hill Hospital, New York City
Dermatology Residency – Oregon Health & Science University (formerly University of Oregon Health Sciences Center)
Following his residency training, Dr. Brancaccio returned to New York where he later founded SINY Dermatology in 1979.
Founder of the Skin Institute of New York
Dr. Brancaccio established the Skin Institute of New York (SINY®) with the vision of creating a dermatology practice that combined clinical excellence, academic expertise, and compassionate patient care.
Since its founding, SINY has grown into one of the region’s most respected dermatology groups, providing medical, surgical, and cosmetic dermatology services throughout New York City and Long Island.
His leadership and mentorship have helped shape the careers of many dermatologists and physician assistants who practice at SINY today.
Clinical Expertise
Dr. Brancaccio treats a broad spectrum of dermatologic conditions and has particular expertise in the diagnosis and treatment of skin allergies and complex dermatologic disorders.
Areas of focus include:
Skin cancer screenings and lesion evaluation
Contact dermatitis and skin allergies
Acne and inflammatory skin conditions
Eczema and psoriasis
General medical dermatology
Preventative skin care and long-term skin health management
His decades of experience and academic involvement allow him to provide patients with evidence-based care informed by the latest dermatology research and clinical guidelines.
Academic Leadership & Research
Dr. Brancaccio has remained actively involved in dermatology education and research throughout his career.
He currently serves as a Clinical Professor at New York University School of Medicine, where he teaches dermatology residents and contributes to medical education.
In addition to his clinical work, Dr. Brancaccio:
Has authored more than 40 scholarly publications, many focusing on skin allergies and contact dermatitis
Lectures nationally and internationally on dermatology-related topics
Contributes to dermatology education and professional development within the specialty
Professional Leadership & Memberships
Dr. Brancaccio has served in numerous leadership roles within dermatology organizations.
He currently serves on the Board of Directors of the American Contact Dermatitis Society and the New York State Society of Dermatology and Dermatologic Surgery.
He has also served as president of several professional organizations, including:
New York Dermatologic Society
Bay Ridge Medical Society
Dermatologic Society of Greater New York
Dr. Brancaccio maintains active memberships in these organizations as well as the:
American Academy of Dermatology
Dermatology Foundation (Annenberg Circle Committee)
He is also an honorary member of both the Brazilian Society of Dermatology and the Canadian Dermatology Association.
Awards & Recognition
Dr. Brancaccio has received numerous professional honors throughout his career recognizing his contributions to dermatology and patient care.
Highlights include:
Multiple appearances on **New York Magazine Best Doctors list
2014 Practitioner of the Year – Dermatology Foundation
These recognitions reflect his longstanding leadership and impact within the dermatology community.
Patient Experience & Satisfaction
Many patients have trusted Dr. Brancaccio with their dermatologic care for decades. Reviews frequently highlight his deep expertise, professionalism, and reassuring bedside manner. Patients often note the confidence they feel knowing their care is guided by one of New York’s most experienced dermatologists.
Convenient Locations in New York
Dr. Brancaccio sees patients at SINY Dermatology offices in Brooklyn and Manhattan.
Bay Ridge
7901 4th Ave Brooklyn, NY 11209 Phone: 800-778-3090
Hours:
Mon–Thu: 9:00 AM – 8:00 PM
Fri: 9:00 AM – 6:30 PM
Sat: 9:00 AM – 3:00 PM
Sun: 9:00 AM – 2:00 PM
Serving patients from: Bay Ridge, Dyker Heights, Bensonhurst, Sunset Park, Fort Hamilton, Staten Island, and surrounding South Brooklyn communities.
67 Perry Street New York, NY 10014 Phone: 800-778-3090
Hours:
Mon: 9:00 AM – 5:00 PM
Tue: 8:00 AM – 4:00 PM
Wed–Fri: 9:00 AM – 5:00 PM
Sat–Sun: Closed
Serving patients from: West Village, Greenwich Village, Chelsea, SoHo, Tribeca, Lower Manhattan, Meatpacking District, Union Square, and surrounding Manhattan neighborhoods.
Dr. Brancaccio accepts many widely used insurance plans across New York, including:
Aetna
Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
Blue Cross Blue Shield
Cigna
UnitedHealthcare & Oxford
EmblemHealth (GHI / HIP)
Healthfirst (NY)
Medicare
Fidelis Care (NY)
Humana
Multiplan PHCS
Oscar Health
Surest Health Plans
1199SEIU
Patients are encouraged to confirm coverage with the office prior to scheduling.
About SINY Dermatology (Skin Institute of New York)
The Skin Institute of New York (SINY®) is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York City and Long Island. SINY physicians combine advanced clinical training, academic excellence, and patient-centered care to deliver individualized, evidence-based treatment for every patient.
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