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.
Sergey Petrosian DO is a board-certified dermatologist at the Skin Institute of New York (SINY®). Dr. Petrosian treats adult and pediatric patients at three of SINY’s® offices, in the Forest Hills area of Queens as well as the Bay Ridge and Park Slope areas of Brooklyn, New York.
He is a native of New York City who grew up in Queens and attended Brooklyn Technical High School. After earning a bachelor of science degree from SUNY Stony Brook University, Dr. Petrosian received his medical degree from New York College of Osteopathic Medicine (NYCOM/NYITCOM) in Westbury, New York. He then completed his residency at St. John’s Episcopal Hospital in Queens, New York in affiliation with Lake Erie College of Osteopathic Medicine.
Dr. Petrosian attended, presented and lectured at many conferences as a resident, he also received many scholastic accolades in that time. During his residency Dr. Petrosian consistently scored amongst the top percentile in the nation on in-service examinations. He trained with and received mentorship from various experts in many fields of dermatology who practice here in New York City. His training in New York City gave him exposure to a very large and diverse patient population.
Dr. Petrosian is an active member of the American Academy of Dermatology. He enjoys medical dermatology and also spent three years training with a cosmetic dermatologist. Although he provides comprehensive dermatologic treatment for all of his adult and pediatric patients, his special areas of expertise and interest include cosmetic dermatology, acne, hair loss, and skin cancer screening. Dr. Petrosian focuses on treating all of patients like family, providing the highest level of individualized and compassionate care.
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!
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.
Ronald R. Brancaccio, MD, founded the Skin Institute of New York (SINY®) in 1979. He diagnoses and treats a wide variety of skin conditions at SINY’s® three offices in the West Village of New York City and the Bay Ridge and Park Slope areas of Brooklyn, New York.
After earning his medical degree from George Washington University School of Medicine in Washington, D.C., Dr. Brancaccio completed an internship at Lenox Hill Hospital in New York City. He then completed his residency in dermatology at the University of Oregon Health Sciences Center in Portland, Oregon.
Dr. Brancaccio is board-certified in dermatology, and he is a clinical professor at New York University School of Medicine in New York City. When he’s not tending to patients at SINY® or teaching future dermatologists, he lectures on dermatology-related topics and has authored more than 40 scholarly publications, primarily on the subject of skin allergies.
Currently serving on the board of directors of the American Contact Dermatitis Society and the New York State Society of Dermatology and Dermatologic Surgery, Dr. Brancaccio has also served as president of the New York Dermatologic Society, the Bay Ridge Medical Society, and the Dermatologic Society of Greater New York, He maintains active memberships in those professional organizations as well as the American Academy of Dermatology and the Annenberg Circle Committee for the Dermatology Foundation, which supports vital dermatology research. In addition, he is an honorary member of the Brazilian Society of Dermatology and the Canadian Dermatology Association.
Dr. Brancaccio has received numerous professional honors throughout his long and distinguished career. Besides multiple inclusions on the prestigious list of New York Magazine’s Best Doctors, the nonprofit Dermatology Foundation named him the 2014 Practitioner of the Year.
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.
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 | 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. Joshua M. Berlin is a board-certified dermatologist, and a leader in the fields of dermatology and medical aesthetics. He and the highly-skilled team at Premier Dermatology Partners® provide a full line of dermatological services to patients in the Boynton Beach, Florida and Boca Raton, Florida area. Premier Dermatology Partners® offers effective treatment options for a wide variety of commonly reported dermatological health conditions, including acne, dry skin, sun damage, unwanted facial hair, rashes, eczema and psoriasis. The doctor also specializes in the use of both Botox® and Juvederm®. Dr. Berlin specializes in offering state-of-the-art treatment options for both skin cancer and varicose veins, while providing patients with compassionate, high-quality care.
Dr. Berlin graduated with his medical degree from the Pennsylvania State University College of Medicine, and prior to that he graduated magna cum laude from the University of Pennsylvania. He went on to perform his dermatology residency at the Cleveland Clinic Foundation, in Cleveland, Ohio. He then returned home to Florida to open his practice. Dr. Berlin is well respected in his field, having performed extensive research on many types of dermatological conditions. He has been featured in both medical journals and scientific publications. Dr. Berlin always welcomes new patients at Premier Dermatology Partners®. Call or click ‘Book Online’ today!
Kathleen Herne, MD, is a board-certified dermatologist and one of only fourteen fellowship-trained Mohs micrographic and dermatologic surgeons in Palm Beach County, certified through the American College of Mohs Surgery. She brings a unique combination of surgical precision, clinical expertise, and aesthetic artistry to her patients at Integrated Dermatology of West Palm Beach in West Palm Beach, Florida.
Dr. Herne earned her medical degree from the University of Texas at the Houston Health Science Center, followed by an internal medicine internship at Loyola University in Chicago. She then completed a clinical research fellowship in dermatology and virology at the University of Texas in Galveston and a dermatology residency at the University of Alabama in Birmingham. Her advanced fellowship training in Mohs surgery, laser treatments, and cosmetic dermatology was completed at the University of California, San Francisco.
Known for her compassionate care and meticulous attention to detail, Dr. Herne specializes in skin cancer treatment, Mohs surgery, and cosmetic dermatology, including procedures such as Botox, fillers (Radiesse, Sculptra, Restylane), collagen treatments, chemical peels, and laser skin resurfacing. She stays current with the latest techniques and technologies to deliver natural, effective results.
Dr. Herne is a member of the American Academy of Dermatology, American Society for Dermatologic Surgery, Florida Society for Dermatologic Surgery, and the American Society for Laser Medicine and Surgery. She proudly serves patients across Palm Beach County with personalized, results-driven care.
Phyllis Skolnik, MD, is a Board-Certified Dermatologist at Luminary Dermatology. The dermatology practice has 10 locations, and Dr. Skolnik sees patients at the Kendall office in Miami, Florida.
After earning her medical degree from New York Medical College (NYMC) in Valhalla, New York, Dr. Skolnik underwent residency at The University of Miami’s School of Medicine in Miami.
Following these accomplishments, she completed a year-long fellowship training in treating acne vulgaris. Since then, Dr. Skolnik has been practicing dermatology for nearly 50 years and applying her dermatological skills in Miami.
Dr. Skolnik has been blazing trails in the world of dermatology for over 50 years, most of which she spent building a thriving dermatology practice, Phyllis Skolnik, MD, PA.
Now part of Luminary Dermatology’s team of expert providers, Dr. Skolnik plans to continue seeing patients for the remainder of her career in the same location in Miami where she’s spent the past five and a half years.
The Kendall office in Kendall’s MCH Medical Center will now carry the name Luminary Dermatology. Still, patients will be happy to see the same familiar faces they’ve come to know over the years.
Dr. Skolnik offers the following procedures:
Medical Dermatology
Acne Treatment
Skin Cancer Treatment
She also treats various dermatological issues, including benign and malignant moles, skin tags, cysts, and skin conditions such as acne, warts, molluscum, eczema, psoriasis, and many others.
Mr. Eric Bussear is a certified Physician Assistant working with Luminary Dermatology. He provides medical, surgical, and cosmetic dermatology care in the Aventura, Kendall, and Homestead locations. He is a Clinical Professor and Preceptor in the Physician Assistant Programs at Nova Southeastern University in Fort Lauderdale, and Miami Dade College in Miami.
Mr. Bussear began his medical career as a Hospital Corpsman in the United States Navy serving 6 years of active duty, he continued his studies earning both his Bachelor of Science as a Physician Assistant and his Master of Public Health degrees at Nova Southeastern University. He has been in practice for 28 years and has performed many surgical and cosmetic procedures. Well versed in the diagnosis and management of multiple medical skin disorders including Psoriasis, Acne, Rosacea, Melasma, Skin Cancer(s) and Mole Checks/Skin Exams using the latest treatment options, including biologics. He also provides cosmetic consultations, Dermal Fillers, Botox, and Laser Treatment.
Mr. Bussear has participated as a sub-investigator in many clinical studies of mild to moderate acne, inflammatory rosacea, acne vulgaris, diabetic neuropathic foot ulcers, actinic keratosis, concomitant onychomycosis, and many more. He has served on the editorial boards of several journals and as a reviewer for others while publishing his own works. He has also presented several scientific posters and given many lecture. He is a very compassionate provider and wants all his patients to receive the best of care always.
Dr. Brazen is a native Floridian from Clearwater, FL. He obtained his undergraduate degree in Biological Sciences from Florida State University before moving back home to complete his Master's degree in Medical Sciences at the University of South Florida. Dr. Brazen went on to complete medical school at Nova Southeastern University, and subsequently stayed in Southeast Florida to complete his three-year Dermatology Residency at Broward Health Medical Center.
There he received extensive training in general and complex medical dermatology, surgical dermatology, Mohs micrographic surgery, injectable fillers, lasers, and Botox. During his residency, Dr. Brazen was elected to serve as Academic chief resident, an honor awarded to the top residents in their class. During his residency, Dr. Brazen published papers in many academic journals and was recently elected to serve on the Board of Directors for the Florida Academy of Dermatology. Additionally, he serves as a delegate for the Florida Medical Association. Outside of the office, Dr. Brazen is an avid golfer, scuba diver, and fisherman. He loves to spend time with his family and their pet Sheepadoodle, Goose.
Ashley Llera is a board-certified Physician assistant who brings not only extensive dermatology experience but also a deep understanding of her native South Florida community. Bilingual in English and Spanish, she is committed to providing exceptional care to patients from diverse backgrounds.
Ashley is a graduate of the University of Miami, where she earned her degree in 2012 and was an active member of the TriBeta Biological Honor Society. She went on to complete her Physician Assistant education at Florida International University, graduating in 2017 as part of the inaugural class. Ashley’s accomplishments during her time at FIU include Capstone Research Gold Level Excellence, Second Overall Clinical Year Performance, and the Peer Award of Excellence.
With over 7 years of experience in dermatology, Ashley has worked alongside Dr. Joseph Seber in Medical, Surgical, and Cosmetic Dermatology. Her clinical expertise and compassionate approach to patient care have earned her the trust of many.
Ashley is also a Diplomate Fellow with the Society of Dermatology Physician Assistants (SDPA) and serves as a preceptor for Physician Assistant students from Barry University, helping to shape the future of dermatology practice.
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