Dr. Regina Zambrano DiFiore

Dr. Regina Zambrano DiFiore Dr. Regina Zambrano DiFiore, DO Board-Certified Dermatologist | Medical, Pediatric & Cosmetic Dermatology 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 […]

Dr. Joanna Dong

Dr. Joanna Dong

Dr. Joanna Dong, MD Dr. Joanna Dong, MD Double Board-Certified Dermatologist | Fellowship-Trained Mohs Micrographic Surgeon Dr. Joanna Dong is a double board-certified dermatologist and fellowship-trained Mohs micrographic surgeon at the Skin Institute of New York (SINY®). She provides comprehensive dermatologic care—including medical, surgical, and cosmetic dermatology—to patients across Manhattan, Brooklyn, Queens, and Long Island. Dr. […]

Dr. Rebeca Teplitz

Dr. Rebeca Teplitz

Dr. Rebeca Teplitz About Dr. Rebeca Teplitz 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 […]

Dr. Costner McKenzie

Dr. Costner McKenzie Dr. Costner McKenzie, MD Board-Certified Dermatologist | Medical, Pediatric & Cosmetic Dermatology Specialist 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, […]

Dr. Vignesh Ramachandran

Dr. Vignesh Ramachandran

Dr. Vignesh Ramachandran About Dr. Vignesh Ramachandran Board-Certified Dermatologist | Medical, Pediatric & Cosmetic Dermatology Dr. Vignesh Ramachandran is a board-certified dermatologist at the Skin Institute of New York (SINY®), providing comprehensive dermatologic care for adults and children across Brooklyn and Queens. He treats a wide spectrum of conditions affecting the skin, hair, and nails, […]

Dr. Sydney Liang

Dr. Sydney Liang, MD

Dr. Sydney Liang Dr. Sydney Liang, MD 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 […]

Dr. Ronald R. Brancaccio

Dr. Ronald R. Brancaccio

Dr. Ronald R. Brancaccio 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 […]

Dr. Jessica R. Dowling

Dr. Jessica R. Dowling

Dr. Jessica R. Dowling About Jessica Dowling, MD Jessica R. Dowling, MD, is a medical and cosmetic dermatologist at the Skin Institute of New York (SINY). Dr. Dowling treats both adult and pediatric dermatology patients at SINY’s offices in the West Village of Manhattan and the Park Slope area of Brooklyn. Furthermore, Dr. Dowling is […]

Dr. Sherry H. Hsiung

Dr. Sherry H. Hsiung About Dr. Sherry H. Hsiung Book Online 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 […]

Dr. Sergey Petrosian

Dr. Sergey Petrosian 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 […]