.
Skip to main content

Dr. Sydney Liang

About Sydney Liang

Dr. Petrosian

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 City.

Dr. Liang combines academic excellence, surgical precision, and aesthetic artistry to help patients achieve healthy skin and natural-looking cosmetic results.

Schedule an Appointment with Dr. Liang

Education & Academic Distinction

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.