Hammerman, Karen

  • 2020 - 2025

  • 2022, 2023

Karen Hammerman, MD, FAAD

Hammerman, Karen
Dr. Karen Hammerman is a board-certified dermatologist. She practices adult, pediatric, surgical, and laser dermatology with a focus in cosmetics.Dr. Hammerman is a native New Yorker who was raised on Long Island. She attended Barnard College, where she majored in environmental biology and graduated with honors. She received her MD degree from SUNY Downstate Medical Center in Brooklyn, where she then completed a preliminary year in general surgery followed by a two year research fellowship in skin regeneration and wound repair at NYU Medical Center. She completed her dermatology residency at SUNY Downstate Medical Center.

About Karen Hammerman, MD, FAAD

Dr. Karen Hammerman is a board-certified dermatologist. She practices adult, pediatric, surgical, and laser dermatology with a focus in cosmetics.Dr. Hammerman is a native New Yorker who was raised on Long Island. She attended Barnard College, where she majored in environmental biology and graduated with honors. She received her MD degree from SUNY Downstate Medical Center in Brooklyn, where she then completed a preliminary year in general surgery followed by a two year research fellowship in skin regeneration and wound repair at NYU Medical Center. She completed her dermatology residency at SUNY Downstate Medical Center.

  • 2020 - 2025

  • 2022, 2023

Dr. Hammermans’ research has been published in several peer-reviewed journals. She has authored and co-authored wound healing book chapters, and has written NIH research grants in the fields of wound healing and regeneration, stem cells, and the management of chronic wounds. She is a voluntary house staff dermatologist at Mount Sinai Hospital, where she teaches residents and medical students.Dr.Hammerman appears frequently in the media and has been quoted in national outlets, including Harper’s Bazaar, Self and Refinery29. Dr. Hammerman resides in Great Neck, Long Island with her husband, Jason and their three sons James, William and Brody.

Meet Karen Hammerman, MD

Education & Training

  • Undergraduate at Columbia University in NYC
  • Medical School and residency at Downstate Medical Center in Brooklyn
  • 2 year fellowship in Stem cells, wound healing and skin regeneration
  • Internship in General Surgery at Downstate

Experience

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About Schweiger Dermatology Group

At Schweiger Dermatology Group, we believe no one should wait to feel confident in their own skin. That's why we're committed to delivering The Ultimate Patient Experience—expert care that's fast, compassionate, and seamless. Founded by Dr. Eric Schweiger in 2010 to eliminate long wait times for high quality dermatologists, we've grown into the nation's leading dermatology practice, with hundreds of locations across the country and millions of satisfied patients. We offer medical, cosmetic, and surgical dermatology, as well as allergy services—in modern, state-of-the-art offices. Most new patients are seen within days, and we accept most insurances and handle billing for you. Whether it's a skin concern or a cosmetic goal, we make it easy to get the care you need—without the wait.