Office Information
Office Hours Mon: 7:00am - 3:00pm
Tues: 8:30am - 3:00pm
Wed: 12:00pm - 6:00pm
Thurs: 8:30am - 3:00pm
Fri: Closed
Sat: 8:30am - 12:30pm
Sun: Closed
Address 50 Glen Cove Rd.
Greenvale, NY 11548

Medical Providers

Walk-in Dermatology > Medical Providers

We're Ready to See You Now

Whether you have concerns about a specific dermatologic condition or are interested in a cosmetic procedure, our board-certified dermatologists, physician assistants and friendly medical staff are committed to keeping you healthy and giving you the confidence to look and feel your best.

Dr. Stacey Brisman

Stacey Brisman, MD, FAAD

Medical Director, Dermatologist

Board-certified dermatologist and member of the American Academy of Dermatology, Women's Dermatology Society and Skin Cancer Foundation. B.S. from the University of Michigan; Doctor of Medicine from Emory University School of Medicine; internship in Internal Medicine at Beth Israel Deaconess Medical Center; Dermatology residency at New York Presbyterian Hospital, Columbia University Medical Center. Published in Journal of the American Academy of Dermatology, Dermatologic Surgery and Pediatric Dermatology.

Dr. Louis Siegel

Louis Siegel, DO, FAAD


Board-certified dermatologist affiliated with St. John’s Episcopal Hospital-South Shore; medical degree from Touro College of Osteopathic Medicine; Dermatology residency at St. John’s Episcopal Hospital; diplomat of the American Board of Dermatology; Bachelor of Science from University of Maryland; specializing in comprehensive medical, surgical, and cosmetic dermatology including light-based therapies.

Dr. Giuseppe Militello

Giuseppe Militello, MD, FAAD


Giuseppe Militello is a mindful and attentive dermatologist who obtained his medical degree from the University of Pennsylvania. He also completed his internship at the University of Pennsylvania, Pennsylvania Hospital. He completed his residency in dermatology at the University of Pennsylvania, Hospital of the University of Pennsylvania. He completed a fellowship in dermatopathology at Johns Hopkins University. He also holds a bachelor’s degree from Cornell University. He is board-certified in dermatology and dermatopathology by the American Board of Dermatology. He is a member of the American Academy of Dermatology, the American Contact Dermatitis Society, and the American Society of Dermatopathology.

Faith Leffel, RPA-C

Faith Leffel, RPA-C

Physician Assistant

Faith Leffel, RPA-C is a certified Physician Assistant with specialized training in dermatology. Faith has been seeing adult and pediatric dermatology patients since 1998. She graduated with a Bachelors of Science in Biology from Binghamton University and completed her Physician Assistant studies at SUNY Downstate. Faith treats a wide variety of conditions including acne, rosacea, eczema, and atopic dermatitis. She performs full body skin exams and educates her patients on proper skin care and skin cancer prevention. Faith is certified by the National Commission on Certification of Physician Assistants.

Certifications and Professional Memberships

Certifications and Professional Memberships