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Find Out Why Our Patients Love Us

Schedule online, on the phone, or simply walk in today.

2023 Best of Nassau County Winner. 3rd Consecutive Year.

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.

What Our Patients Are Saying

Certifications and Professional Memberships

Monthly Specials

Three sunscreens on a sandy beach

20% OFF ALL Sunscreens

Summer’s here! Get 20% off all sunscreens and stay protected from harmful rays. Shop now and enjoy the sun safely!

Older Blonde woman smiling sitting in the grass

$25 OFF ANY Skin Treatment

Get the skin you deserve! Enjoy $25 off any skin treatment and reveal a brighter, smoother you. Limited time offer, book now!

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.

We're Ready to See You Now

Walk-in Dermatology Team

Don’t wait, see us today.

Walk-in Dermatology has two locations on Long Island conveniently located near mass transit.

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 – Plainview (516) 388-6622

Our Providers

Dr. Stacey Brisman

Stacey F. Brisman, MD, FAAD

Medical Director, Dermatologist

Dr Evelyn Greco

Evelyn Greco, DO, FAAD

Dermatologist

Melissa Sanoff Wiener

Melissa Sanoff-Wiener, RPA-C

Physician Assistant

Mary Valinotti

Mary Valinotti, PA-C

Physician Assistant

Kimberly Schumacher

Kimberly Schumacher

Licensed Aesthetician

Melanie Fulop headshot

Melanie Fulop

Licensed Aesthetician

Medical Providers

Dr. Stacey Brisman

Stacey F. Brisman, MD, FAAD

Medical Director, Dermatologist

Dr Evelyn Greco

Evelyn Greco, DO, FAAD

Dermatologist

Melissa Sanoff Wiener

Melissa Sanoff-Wiener, RPA-C

Physician Assistant

Mary Valinotti

Mary Valinotti, PA-C

Physician Assistant

Aesthetician

Kimberly Schumacher

Kimberly Schumacher

Licensed Aesthetician

Melanie Fulop headshot

Melanie Fulop

Licensed Aesthetician

Recent Blog Posts

The Trouble with Ticks

As summer moves inevitably toward autumn, many are planning their last hurrah before the cold weather sets in. If exploring the great outdoors is on your schedule, or just an afternoon working in the garden, be aware that the warming planet is spreading all types of tick-borne illnesses to new places. As Earth warms on…

September 7, 2023
Essential Summer Travel Skin Care Tips

As summer arrives, so does the excitement of travel and exploring new destinations. But no matter where our journeys take us, the change in climate and environmental factors can take a toll on our skin, leaving it dehydrated, sunburnt, and prone to breakouts.  If you have an ongoing skin condition, see your dermatologist before traveling…

July 10, 2023
Walk-in Dermatology Wins “Best Dermatologist” for the Third Year in a Row

Press Release: July 10, 2023. Roslyn, New York.  Walk-in Dermatology announces that for the third consecutive year, it has won three awards for “Best Dermatologist,” “Best Aesthetician,” and “Best Botox Practice” from Blank Slate Media, publisher of Great Neck News, Manhasset Times, Roslyn Times, Williston Times, Port Washington Times, and New Hyde Park Herald Courier.  …

July 10, 2023