Our Surgeons

Our providers believe it is important to take time to educate patients and make them feel they are a part of their treatment process. They understand that undergoing surgical procedures can be difficult for a patient and aim to ease each patient’s anxieties. Their goal is not only to effectively treat skin cancers, but also to repair the surgical wounds with the optimal cosmetic outcome.

David M Kao, M.D.

Dr. David Kao is a board-certified dermatologist who specializes in Mohs micrographic surgery and reconstructive surgery following removal of skin cancers. Dr. Kao is a fellowship trained Mohs surgeon and fellow member of the American College of Mohs Surgery. He has been in private practice just outside of Portland in the Lake Oswego/Tualatin area since 2005. Prior to that, he practiced as a Mohs surgeon at Kaiser Permanente. Dr. Kao completed his undergraduate studies at the University of British Columbia in his hometown of Vancouver, B.C. He then attended medical school at the University of Ottawa. After graduating, he completed an Internal Medicine residency and became a board-certified internist. He went on to complete a second residency in dermatology and a fellowship in cutaneous oncology at the University of Pennsylvania. He also completed a Laser fellowship at Harvard University under the instruction of Kenneth Arndt, M.D. and Jeffrey Dover, M.D. Lastly, he received extensive training in Mohs surgery during a one-year fellowship with Richard G. Bennett, M.D. at UCLA and USC Schools of Medicine. Dr. Kao is an active member of Oregon Dermatology Society and the Oregon Medical Association and the American Society of Dermatologic Surgery. He enjoys spending time with his family, trying new restaurants and staying active with hiking, biking and running.

Julia Obadiah, M.D.

Dr. Obadiah’s dedication and passion for medicine began at a young age. Her drive to help others was rewarded when she was accepted to an accelerated medical school directly out of high school where she was top of her class. She continued her education and completed her dermatology residency at Washington University, one of the top programs in the country, followed by a Mohs surgery, laser, and cosmetic fellowship. She was the head physician in the Mohs department at Kaiser where she began a skin cancer committee to advocate for the best care for skin cancer patients. Dr. Obadiah has also been a valuable mentor and educator of medical students and plastic surgery residents. Her commitment to  providing patient focused care can be seen in the 4.7-5.0 out of 5 stars she  has received from over 250 reviews. Dr. Obadiah is a Diplomate of the American Board of Dermatology, American Board of Mohs Surgery, and Oregon Dermatology Society. She has published in peer reviewed journals and textbooks and also lectured at the American Academy of Dermatology. In her free time she enjoys volunteering and spending time outdoors with her husband and three children.

Keleigh Nersasian, PA-C

Keleigh joined our practice in July of 2011. She is a board-certified Physician Assistant who specializes in surgical dermatology. Prior to working at our clinic, she gained valuable surgical experience working at Oregon Health and Science University. She is originally from Wilmington, Delaware and graduated Magna Cum Laude from the University of Delaware. She went on to receive a Master of Physician Assistant Studies from Arcadia University in Philadelphia, Pennsylvania. She is an active member of the American Academy of Physician Assistants and the Oregon Society of Physician Assistants. Keleigh and her husband John have been living in the Portland area since 2008. Their daughter Tacy was born in 2016 and in her free time she enjoys discovering new restaurants and taking part in local events.

Andrea Pena

Practice Manager

Amy Fetherlin

Laboratory Manager

Jennifer Mijares Page

Billing Manager

Sarah Foltyn

Administrative Lead

Heather Blankenship, RMA

Lead Medical Assistant

Jackie Moreno, RMA

Medical and Lab Assistant

Brenda Santos Lucero, RMA

Medical Assistant

Aitana Chavez, NCMA

Medical and Lab Assitant

Jasmin Correa

Medical Assistant

Tiffany Whicker, NCMA

Medical Assistant

Yosa Rincon Camacho, NCMA

Medical Assistant


  • David M Kao, MD
  • Julia Obadiah, M.D.
  • Keleigh Nersasian, PA-C
Fax: 503.691.1144