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Office Information
Office Hours Mon: 7:00am - 5:00pm
Tues: 8:30am - 5:00pm
Wed: 8:30am - 7:00pm
Thurs: 8:30am - 5:00pm
Fri: 8:30am - 3:00pm
Sat: 8:30am - 12:30pm
Sun: Closed
Address 50 Glen Cove Rd.
Greenvale, NY 11548

See a Board-certified Dermatologist Today

Book an in-office appointment or Video Visit today

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.

What Our Patients Are Saying

Absolutely wonderful practice, filled with experts in their field! The ease of appointments, cancelations, tele-health as well as in person procedures and consultations are performed with utmost professionalism, care, and comfort.

- Elizabeth F.

Loved my experience. Complete professionalism throughout the entire process. My procedure was quick and painless and my results were amazing!

- Andrew M.

Certifications and Professional Memberships

Monthly Specials

Microneedling

$300 OFF Package of 3 Full Face Microneedling Sessions (Reg. $1,650)

Microneedling, also called skin needling or collagen induction therapy, is used to treat and improve conditions such as acne scarring, fine lines and wrinkles, loose skin, skin texture, brown spots, stretch marks and pigment issues.

EltaMD UV Elements Broad-Spectrum SPF 44

Purchase 1 Sunscreen, Receive the 2nd 50% OFF

Purchase any of our sunscreen products and receive 50% off a second sunscreen of equal or lesser value. This promotion includes Elta MD, SK-IN Products, and more.

April Save$25 promo

Get $25 OFF Every $100 You Spend!

With our curated collection of medical-grade skin care products, you’ll find the right products so you can have healthy skin all year long. For every $100 you spend, receive $25 off. Simply create an account and use code Welcome25 at checkout.

The Doctor is Ready to See You Now

Walk-in Dermatology Team

Conveniently located next to the LIRR
(Greenvale Station)

Visit our first Long Island location 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 board-certified dermatologists are ready to see you now.

Office Address

50 Glen Cove Road
Greenvale, NY 11548
(Parking in Rear via Locust St.)
Find us on the map

Our Providers

Dr. Stacey Brisman

Stacey F. Brisman, MD, FAAD

Medical Director, Dermatologist

Dr. Louis Siegel

Louis Siegel, DO, FAAD

Dermatologist

Dr. Giuseppe Militello

Giuseppe Militello, MD, FAAD

Dermatologist

Loren DePinto

Loren DePinto

Licensed Aesthetician

Agatha Catechis

Agatha Catechis

Licensed Aesthetician

Doctors

Dr. Stacey Brisman

Stacey F. Brisman, MD, FAAD

Medical Director, Dermatologist

Dr. Louis Siegel

Louis Siegel, DO, FAAD

Dermatologist

Dr. Giuseppe Militello

Giuseppe Militello, MD, FAAD

Dermatologist

Aesthetician

Loren DePinto

Loren DePinto

Licensed Aesthetician

Agatha Catechis

Agatha Catechis

Licensed Aesthetician

Recent Blog Posts

Should You Pop Your Pimples?

Dermatologists will almost always discourage you from popping your own pimples. There are several reasons to keep your fingers off those bumps. First and most problematic is the risk of scarring or permanently damaging your skin. The contents of infected pimples can spread to other areas of your skin and worsen the condition. Bacteria occurring…

Read More
April 28, 2021
How Anti-Aging Treatments Benefit Wellness

When you step out of the house and into the world, the success of your day depends not on luck but on a positive mental attitude. Confidence is the key to happiness and good health. When you take care of yourself with anti-aging treatments you look better and so you feel better about yourself. Consulting…

Read More
April 21, 2021
Topical Prescriptions Now Available at Walk-in Dermatology

When you choose Walk-in Dermatology for your skincare needs you can count on convenience in addition to excellent, affordable care. A New Year brings the new launch of our in-house prescription service. Now you’ll be able to get topical prescriptions during your visit. We take care of everything right in the office. Just think, no…

Read More
March 24, 2021

Want to rececive company updates and valuable offers?


Meet Agatha, Your New Aesthetician!

We are thrilled to announce Agatha Catechis has joined our MedSpa team. Agatha is a licensed aesthetician with extensive experience in skincare and laser treatments. Call us today to set up a free consultation and let Agatha create a custom-tailored skincare program that will “wow” your friends this summer.

Call (516) 621-1982 for your free consultation.