Cosmetic Dermatology | Water Mill, NY | The Hamptons - Union Derm
Dermatology (Aesthetic/Med Spa) • Southampton, NY • Since 2011 • 3+ (Hamptons, Union Square, Central Park) locations
About
UnionDerm is a NYC-based cosmetic dermatology group offering advanced skin rejuvenation across multiple locations, including the Union Square and Central Park centers. Key points: - Services: More than 30 lasers and energy devices with proprietary treatment protocols for cosmetic dermatology and skin rejuvenation. - Expertise: Board-Certified dermatologists who are active in clinical research, teaching, and international conferences; partners with biotech/device companies to trial new treatments. - Locations: Five offices in New York City (including Union Square West and nearby Midtown addresses). - Size & scope: 21 employees; annual revenue around $3.7M; established 2011; private practice. - Experience: High-volume web presence with strong patient traffic and favorable engagement metrics. - Targeted relevance: Focused on cosmetic skin treatments, not a general salon; clinicians with top-tier reputations and published work. Note: The provided page does not mention Water Mill, NY or The Hamptons/Southampton. If you’re specifically seeking UnionDerm services in The Hamptons or Water Mill, NY, I can check for any satellite locations or affiliates and summarize those results.
Clinic Type
Dermatology (Aesthetic/Med Spa)
Address
Water Mill, NY (Hamptons)
Phone
212.366.5400
fellowship@unionderm.com
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Technology & Equipment
Team
Insurance & Payment
—
Online appointments, In-person appointments
Languages Spoken
Current Offers
New patient offers — null
FAQs
What services are offered at the Hamptons location?
Medical, surgical, and cosmetic dermatology services including Mohs surgery, laser treatments, microneedling, PRP, and more.
Where are you located?
We are located at 728 Montauk Hwy, Water Mill, NY 11976.
What services do you offer?
Medical, surgical, and cosmetic dermatology services for the face, neck, and body at the Hamptons location.
Do you offer a fellowship program?
Yes, a fellowship program accredited by the American Society of Dermatologic Surgery for post-residency dermatologists in cosmetic dermatology and dermatologic cosmetic surgery.
Do you have multiple locations?
Yes, two locations in Manhattan (Union Square and Central Park) and locations in the Hamptons (Water Mill) and other offices.
How can I learn about insurance information by physician?
Insurance information by physician can be found at https://www.unionderm.com/about/insurance-information/.
Social Media
Photos






What Patients Say
Overall sentiment across review platforms: positive
- BestProsInTown: Not explicitly stated, but practice holds strong reputational feedback (39 reviews (specifically for Hamptons location))
Patients praise
- Excellent medical care and expertise
- Professional and friendly staff
- Clean and comfortable facility environment
- Natural-looking aesthetic results
- Informative and deliberate patient care
Common complaints
- Higher pricing for services
"Many patients feel at ease immediately upon meeting the team, with some stating that Dr. Petukhova is the only dermatologist they trust for laser removal or facial injections."
— BestProsInTown"Patients also appreciate the smooth and hassle-free experience from check-in to appointment, highlighting the warm, professional front office staff and the deliberate, informative care provided by the clinical team."
— BestProsInTownSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Best Cosmetic Dermatologist near Water Mill, NY 11976 - Yelp — Jul 9, 2026
- XERF Skin Tightening | Manhattan & NYC — Apr 6, 2026
- Blue Water Spa: A Sanctuary of Beauty & Wellness in Southampton — Sep 7, 2025
Information sourced from the clinic's website as of July 11, 2026.
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