Same-day Appointments
Schedule online, on the phone, or by walking in today. Our friendly staff and board-certified dermatologists are ready to see you now.
Forget the wait
Same DayWalk-inAppointments
At Walk-in Dermatology, we’ve removed the wait and made Dermatology more accessible. Experience convenient care without the hassle for the whole family!
Book an Appointment
Voted Best Dermatologist, Best Aesthetician and Best Botox Practice in Nassau County
We've Eliminated the Wait &
Made Dermatology More Convenient
Walk-in Dermatology combines the convenience of urgent care with the same services you expect at any dermatology office. Are you in need of medical treatment? Considering a cosmetic procedure? No problem, we have you covered.
Telehealth from Home
We offer Video Visits with our dermatologists as an alternative to in-person office visits. We can examine your skin, make recommendations and even send prescriptions to your pharmacy.
Medical Treatments
We offer expert evaluation and treatment for all medical dermatologic issues. If you’re concerned about anything related to your skin, hair or nails, we’re here for you.
Cosmetic Procedures
Whether you’re looking for Botox, fillers, laser therapy or a skin care regimen, our board-certified dermatologists will help you look your best with the latest cosmetic procedures.
What Our Patients
Are Saying
Oct 2, 2026Appointments are easily available, not a long wait in the office and the doctors don’t make you feel rushed. Very pleasant.
Aileen Kirshoff
Oct 2, 2026I was a walk-in patient. I had something the needed to be looked at. The staff were friendly and knowledgeable. After I completed the registration forms at the kiosk I took a seat in the waiting room expecting to have to wait for the six other people already there to be called first. I was the next patient called. Diagnosed correctly with an Rx waiting for me when I got to the drugstore. I’ll be back. The visit could not have gone better.
S Art
Oct 1, 2026Excellent. Fast. Service. A plus
Danny Schochet
Sep 29, 2026Excellent staff and amazing doctors
GlamMuseJZ
Sep 26, 2026Wonderful, attentive, professional experience!
Nancy McHale
Sep 25, 2026Dr. Greco is personable, understanding and knowledgeable. She took time to listen to my concerns and checked whatever concern I had without dismissing it.
Mrs. Maria Agosti
Sep 22, 2026Fastest appointment of all time, from check in to examination, we were in and out, no stress. It was great!
Heather Schaefer
Sep 16, 2026Best experience!
Lia P
Sep 10, 2026First time here, saw Dr Greco and she was very personable and nice, highly recommend !
carl Hyman
Sep 2, 2026I want to commend PA Mary in Greenvale location. She is so kind and sweet and knows her stuff. I recommend her highly
George Duran
Certifications and Professional Memberships
Don’t wait, see us today.
We're Ready to
See You Now
Walk-in Dermatology has four convenient locations.
Visit us whenever it suits your schedule. Our facilities are designed to meet your needs, on your time.
Schedule online, on the phone, or by walking in today. Our friendly staff and dermatology professionals are ready to see you now. Call us today.
Walk-in Dermatology – Greenvale(516) 621-1982
Walk-in Dermatology – Nanuet(845) 510-2200
Walk-in Dermatology – Plainview(516) 388-6622
Walk-in Dermatology – Forest Hills(347) 577-9922
Our Providers
Medical Providers
Evelyn Greco, DO, FAAD
Medical Director, Dermatologist
Julide Celebi, MD, FAAD
Dermatologist
Olivia Karczewski, PA-C
Physician Assistant
Betty Kui PA-C
Physician Assistant
Melissa Sanoff-Wiener, RPA-C
Physician Assistant
Robinder Singh, MD, FACS
Plastic Surgeon
Mary Valinotti, PA-C
Physician Assistant
Aesthetician
Kimberly Schumacher
Licensed Aesthetician
Recent Blog Posts
January 6, 2025
When it’s an Urgent Skin Problem you Need Urgent Skin Care
You wake up one morning with a frightening sensation in your arms, which feel like they’re on fire. Sure enough, there’s a bright red rash running along your inner forearms from wrist to elbow. The desire to scratch is overwhelming. What is happening? Then it dawns on you: Those dead weeds you pulled from the…
December 13, 2024
The Latest Dermatology Treatments Rely on Innovation and Technology to Improve Your Skin
Dermatology is witnessing rapid growth in innovative trends and advancements aimed at improving patient outcomes and expanding treatment options. All have one main goal: to help you achieve glowing, vibrant skin so you look your best. At Walk-in Dermatology, we evaluate and manage all dermatologic conditions. Here are some of the leading advances in medicine…
November 21, 2024
Walk-in Dermatology opens in Nanuet, New York
Walk-in Dermatology announced the grand opening of its new office located at 233 Route 59 in Nanuet, New York, across the street from Staples and Home Depot. Walk-in Dermatology Nanuet offers the same medical and cosmetic services patients expect from any dermatology office but features convenient access for same-day care, in a newly constructed state-of-the-art…