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.
Noah Gratch, MD, FAAD, a board-certified dermatologist, serves patients from throughout Manhattan, Commack, Hampton Bay and Plainview, NY at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery. He provides a wide variety of treatments for acne, eczema, hyperhidrosis, rosacea, psoriasis, and skin cancer as well as procedures including advanced skin cancer treatment such as Mohs Surgery, sclerotherapy, mole removal and cosmetic dermatology services such as Botox®, fillers, and laser treatments.
Dr. Gratch is a graduate of University of California Los Angeles, University of Southern California and Cornell. Following residency, Dr. Gratch became a Clinical Instructor of Dermatology at the Weill Medical College of Cornell University in New York City. Dr. Gratch is a fellow of the American Academy of Dermatology and the American Society of Dermatologic Surgery.
Patients benefit from Dr. Gratch’s extensive training and experience in dermatology and cosmetic services. He wants to help each and every patient not only look and feel great but maintain the best possible skin health.
Dr. Gratch and his colleagues at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery are currently welcoming new patients and accept most major forms of insurance.
Dr. Gratch has previously served as a Clinical Instructor of Dermatology at the Weill Medical College of Cornell University. He is also an active contributor in the academic world of dermatology, having overseen numerous research projects in cutaneous diseases with published papers and articles in several scientific journals and books.
Dr. Gratch is a fellow of the American Academy of Dermatology and the American Society of Dermatologic Surgery.
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.
Carolyn Stull, MD, FAAD, is a board-certified dermatologist and fellowship-trained dermatologic surgeon. She treats the full spectrum of dermatologic conditions and specializes in Mohs micrographic surgery, surgical reconstruction following skin cancer removal, and facial aesthetics.
Dr. Stull is originally from Philadelphia and served as an Instructor of Dermatology at the University of Pennsylvania prior to joining MDCS. She earned her undergraduate degree from the University of Miami and her medical degree from Temple University School of Medicine. Dr. Stull completed dermatology residency at Rush University Medical Center in Chicago where she served as chief resident. She subsequently completed a fellowship in Mohs micrographic surgery and dermatologic oncology at the University of Texas M.D. Anderson Cancer Center. During fellowship she trained with experts in the management of rare and advanced skin cancers, complex surgical reconstruction and laser procedures. She also served as a sub-investigator for several clinical trials testing oncolytic viruses and immunotherapies for skin cancer treatment.
Dr. Stull has published numerous articles in peer-reviewed journals including the Journal of the American Academy of Dermatology, JAMA Dermatology and Dermatologic Surgery. She has been an invited speaker at regional and national meetings, and has been awarded grant funding from the University of Pennsylvania Center for Human Appearance and the Pennsylvania Medical Society for medical device innovation. She is a fellow of the American Academy of Dermatology and American Society for Dermatologic Surgery.
Outside of the office Dr. Stull enjoys traveling and spending time with her husband who is plastic surgeon and their daughter.
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.
Brendan Camp, MD, is double board-certified in dermatology and dermatopathology and sees patients at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery, which has locations in Upper East Side, Hampton Bays, Commack, Smithtown, Plainview, and Midtown East of Manhattan, New York. Patients have been coming to him for his expertise managing medical conditions like acne, rosacea, eczema, warts, psoriasis, moles, and skin cancer, as well as cosmetic concerns and treatments with Botox®, fillers, lasers, and other skin rejuvenation devices.
Dr. Camp graduated with honors from Cornell University, earning a degree in biochemistry. As a medical student at SUNY Upstate Medical University in Syracuse, he participated in a one-year epidemiology fellowship at the Centers for Disease Control and Prevention (CDC) in Atlanta, Georgia, where he participated in viral outbreak investigations. He completed his internship in internal medicine at the University of Chicago and later completed additional residency training in dermatology at New York-Presbyterian Hospital/Weill Cornell Medical Center. He also completed a fellowship in dermatopathology at Memorial Sloan-Kettering Cancer Center in 2012.
He has previously served as an assistant professor of dermatology at George Washington University School of Medicine and Health Sciences and worked in private practice just outside Washington DC in Northern Virginia.
Dr. Camp is the author of several scientific articles that have been published in the Journal of the American Academy of Dermatology, the Journal of Cutaneous Pathology, and the Journal of Clinical Oncology. He has also presented at meetings of the American Academy of Dermatology, the American Society of Dermatopathology, and the Society for Investigative Dermatology. Additionally, he is a reviewer for the Journal of the American Academy of Dermatology Case Reports, a member of the Curriculum Task Force and previous member of the Public Education Committee of the American Academy of Dermatology, and a contributor to Men’s Health magazine.
In his spare time, he enjoys cooking, golfing, and photography. He has also been published twice in the New York Times.
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 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. Aurash Bina is a board-certified dermatologist with a robust background in medical dermatology and skin cancer screening and prevention. His dedication to delivering high-quality, patient-centered care is reflected in his thorough approach and unwavering commitment to ensuring each patient feels valued, understood, and reassured.
A native Texan, Dr. Bina earned his Bachelor of Science degree from the University of Texas in Austin. He then went on to receive his medical degree from Touro University in California, subsequently completing his medical internship and dermatology residency at St. John's Episcopal Hospital in Queens, NY. His tenacity and commitment to his field led to his appointment as Chief Dermatology Resident, a role that allowed him to hone his leadership skills and deepen his understanding of diverse skin conditions.
Dr. Bina brings an additional layer of expertise to his practice in the form of cosmetic dermatology. He takes pride in offering the latest in injectables and laser treatments, enhancing not only the health but also the confidence of his patients.
Keeping abreast of the latest advancements in dermatology, Dr. Bina is a proactive learner, always striving to refine his knowledge and techniques. His dedication to the profession extends beyond his practice, as he contributes to the broader understanding of dermatology through presentations and collaborative research efforts.
In his practice, Dr. Bina prioritizes personalized care, developing comprehensive treatment plans that address both immediate concerns and long-term skin health. He believes in fostering an environment where patients feel comfortable discussing their skin health concerns, and he understands the impact of skin health on overall well-being.
Outside of his practice, Dr. Bina maintains a well-rounded lifestyle, remaining active through community sports leagues and spending time with his family and close friends.
Dr. Bina looks forward to welcoming you to the Skin Institute of New York (SINY®) and working alongside you to achieve radiant, healthy skin.
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 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.
Lisa M. Gruson, MD, is a board-certified dermatologist and part of the medical team at the Skin Institute of New York (SINY®). Dr. Gruson practices medical and cosmetic dermatology and performs laser procedures at SINY’s® three offices, one in the West Village area of New York City and the others in the Bay Ridge and Park Slope areas of Brooklyn, New York.
After earning her undergraduate degree at the University of Michigan in Ann Arbor, Michigan, and graduating with Phi Beta Kappa honors, Dr. Gruson received her medical degree from the New York University School of Medicine in New York City. While in medical school, she earned the Marion B. Sulzberger Dermatology Award and membership in the prestigious Alpha Omega Alpha Honor Medical Society. She then completed her dermatology residency at the NYU Medical Center, serving as chief resident and receiving the Morris Leider Award for excellence in dermatology.
Dr. Gruson is a fellow of the American Academy of Dermatology and an active member of numerous professional medical organizations, including the New York State Medical Society, the American Contact Dermatitis Society, and the Dermatologic Society of Greater New York. She has conducted research and published numerous scholarly articles on dermatology topics, including skin allergies, her area of expertise, and she has presented these findings at national medical conferences.
As a clinical assistant professor at the NYU School of Medicine, Dr. Gruson teaches dermatology residents and also advises medical students who are considering the dermatology specialty.
Vignesh Ramachandran, MD, is a board-certified dermatologist and fellow of the American Academy of Dermatology who treats adults and children in full-spectrum general, medical, and cosmetic dermatology conditions affecting the skin, hair and nails. When he was a child, he and his family immigrated to a small town of 16,000 in Ontario, Canada before his educational journey brought him to the United States. Dr. Ramachandran still maintains those small town values, merging relentless hard work with compassion, honesty and humility to care for his patients and community.
Dr. Ramachandran graduated as a Presidential Scholar from the Dean’s Scholars Honors Program at the University of Texas at Austin. He then graduated #1 in his medical school class at the top-ranked Baylor College of Medicine in Houston, Texas, where he was inducted into the prestigious Gold Humanism and Alpha Omega Alpha Honor Societies. He went on to complete his internship in Internal Medicine at Texas Health Presbyterian Hospital Dallas, where he was awarded Outstanding Intern of the Year. Dr. Ramachandran then completed his dermatology residency at the world-renowned Ronald O. Perelman Department of Dermatology at New York University. By the end of his three years of residency, he was nationally recognized as a 3-time 'Rising Derm Star’, was an investigator in several clinical trials, published 100 peer-reviewed research papers, and served on national dermatology committees. He culminated his residency training with the Irwin M. Freedberg, M.D. Award for the resident who has done the most to advance Dermatology in the ‘House of Medicine’.
Dr. Ramachandran sees patients at the SINY® Dermatology offices in Bayridge and Forest Hills. He also serves as a Clinical Instructor in the Ronald O. Perelman Department of Dermatology at New York University, where he conducts hospital consultations at NYU Langone Hospital Brooklyn and teaches residents.
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.
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.
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. 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.
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!
