What are the opening hours?

Monday 10am - 6pm Tuesday 9am - 5pm Wednesday 10:30am - 6:30pm Thursday 10am - 6pm Friday 8:30am - 4:30pm Saturday 9am - 1pm

UnionDerm

Directions Website Contact the practice

UnionDerm is New York’s premier dermatology and skin rejuvenation center, providing outstanding me

UnionDerm is located in a state-of-the-art 9,000 square foot full-floor facility, in a landmark building in the heart of Union Square. Our facility was designed by the internationally acclaimed architectural firm Studio a+i in a stylish, loft-like space with treetop views of Union Square Park. The facility offers well-appointed treatment rooms equipped with more than 25 state-of-the-art lasers and energy devices, a private internal lounge for surgery patients, Italian furniture in a partnership with Cassina/Cappellini, and Wi-Fi accessibility throughout the patient areas. In addition to the latest lasers and treatment technologies, we employ state-of-the-art information technology for medical records, patient scheduling and prescription management.

10/16/2026

A wrinkle is more than just a crease on the surface of your skin.

Board-certified dermatologist Dr. Robyn Gmyrek answers your most-asked wrinkle questions, from what’s actually happening beneath the skin to when to start treatment.

Her approach: wrinkles are caused by changes at every layer of the face, including skin, muscle, fat, and even bone. That’s why one treatment rarely does it all, and why she builds a layered plan that may include Botox, filler, laser resurfacing, or a combination, designed to keep results natural.

Swipe to see real results from Dr. Gmyrek’s patients, then tap the link in our bio to read the full Q&A.

09/30/2026

We’re thrilled to welcome Dr. Jameson Loyal to UnionDerm! His first day seeing patients is Friday, October 9th.

“Dr. Loyal brings exceptional depth to our team, from advanced laser resurfacing and injectables to hair restoration. Like all of us at UnionDerm, he believes great results start with a real conversation. He takes the time to understand each patient’s goals and builds a thoughtful, individualized plan to get them there.

His commitment to research and evidence-based care, including more than 50 clinical trials, fits naturally with everything we do here. We’re so glad he chose to come home to New York and join us, and we can’t wait for patients to experience his expertise and care.”
— Dr. Anne Chapas

“I’m incredibly honored to join Dr. Chapas and her exceptional team of physicians at UnionDerm. As a native New Yorker, I’m thrilled to return home and join a practice whose commitment to clinical excellence, innovation, and individualized patient care aligns so closely with my own philosophy. I’m excited to bring my expertise in laser surgery, cosmetic dermatology, facial sculpting, and regenerative aesthetics to the UnionDerm team. Most importantly, I look forward to getting to know my patients and creating thoughtful, individualized plans that help them look and feel like the best version of themselves.”
— Jameson Loyal, MD, FAAD

Dr. Loyal will be seeing patients at our Union Square and Central Park offices. Tap the link in bio to book!

09/15/2026

A decade of care. Consistently natural results. 🤍

Dr. Claire Chang has a gift for making even the most nervous patients feel completely at ease. Her hand is gentle, her approach is honest, and she takes the time to actually explain what’s happening — the science, the recovery, the realistic timeline.

We could tell you why patients keep coming back for 10+ years. Instead, we’ll let their words do it. Swipe through a few of our favorites. ✨

08/04/2026

Last week we celebrated Dr. Victoria Humphrey completing the ASDS Cosmetic Dermatologic Surgery Fellowship at UnionDerm! 🎉 The team gathered for a celebration dinner in her honor (complete with a round of “Pin the Handpiece on the Humphrey” 😂)

Over the past year, Dr. Humphrey trained alongside some of the leading experts in injectables, lasers, and regenerative aesthetics—all while contributing to clinical research and seeing patients.

We’re so proud to welcome her as an attending physician, leading our Greenwich office, with select days practicing at Union Square and Central Park. ✨

07/16/2026

PRP. PRF. EZGEL. Three treatments, one powerful source: you. ✨

Dr. Ken Howe breaks down how each one uses your own body’s natural healing ability — but works in a different way, suited to different goals, from rejuvenation to volume restoration. Swipe through to see how they compare, then book a visit to find out which one fits your skin goals best.

07/10/2026

Same technology. Different treatment plans. Incredible results.

Every case of hair loss is different, which is why these two UnionDerm patients received personalized treatment plans centered around Folix. Whether you’re just starting to notice thinning or have been dealing with hair loss for years, an expert evaluation is the first step toward finding the right solution.

Results by Dr. Jennifer Chwalek. Jennifer Chwalek MD

06/19/2026

GLP-1 medications have transformed the conversation around weight loss. They’re also changing the way dermatologists think about skin, facial volume, muscle tone, and hair health.

In our latest Q&A, board-certified dermatologist Dr. Chapas shares her expert perspective on the aesthetic effects of GLP-1-related weight loss and the proactive strategies she recommends to support patients throughout their journey.

Read the full Q&A through the link in bio.

06/12/2026

Summer in the Hamptons? We’ve got you covered. ☀️

Starting June 29, Dr. Black will see patients at our Hamptons location every Monday, Wednesday, and Friday, with select Tuesdays at our Central Park location.

Keep your treatment plan on track—or treat yourself to a summer refresh. ✨ Book through the link in our bio.

06/05/2026

As my ASDS fellowship year comes to an end, I’m thrilled to share that I’ll be staying on at UnionDerm as an attending physician.

To the patients who trusted me with their care this year — thank you, from the bottom of my heart. Being part of your journey has been such a privilege, and I’m so looking forward to continuing to care for both new and existing patients across our Greenwich, Central Park, and Union Square offices.

I’m deeply grateful to Dr. Chapas and the physicians who poured into me and invested in my growth this year. This chapter has meant more than I can put into words — and I cannot wait for what’s next!

With gratitude 🩵

Dr. Victoria Humphrey

—

One of the best parts of having a fellowship program is getting to work closely with talented young physicians at such an important stage in their careers. From the beginning, it was clear that Dr. Humphrey was someone special.

She is thoughtful, hardworking, incredibly detail-oriented, and deeply committed to her patients. Over the past year, I’ve had the privilege of watching her grow as a cosmetic dermatologist, and I couldn’t be happier that she has chosen to stay at UnionDerm.

We are thrilled to welcome her to our attending physician team and excited for our patients to continue benefiting from her expertise and care.

Dr. Anne Chapas

05/29/2026

Our patients know they’re in excellent hands with Dr. Jennifer MacGregor. ✨
We’re so grateful for everyone who takes the time to share their experience. Swipe through for a few kind words about Dr. MacGregor and her thoughtful, personalized care. 💙

Address

19 Union Square W Fl 5
New York, NY
10003

Opening Hours

Monday	10am - 6pm
Tuesday	9am - 5pm
Wednesday	10:30am - 6:30pm
Thursday	10am - 6pm
Friday	8:30am - 4:30pm
Saturday	9am - 1pm

Website

http://www.unionderm.com/patient-portal/contact-us/

Alerts

Be the first to know and let us send you an email when UnionDerm posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Practice

Send a message to UnionDerm:

Lauren Minchen Nutrition
280 Madison Avenue
Dr. Paul Gregory, DDS
57 W 57th Street