Brian Kumasaka, MD


Practice Areas

  • Primary: Dermatology

Languages Spoken

  • Primary: English


Southlake Clinic
Time Square
660 SW 39th St Ste 150
Renton, WA, 98057
Phone: 425.793-4700
Fax: 425.251.4302


Dr. Kumasaka is a native Washingtonian. He grew up in West Seattle, went to the University of Washington for undergraduate studies in Biology and medical school, graduating from medical school in 1988. He trained in Internal Medicine at Providence Medical Center, Portland and Virginia Mason Medical Center before returning to the UW to complete his training in Dermatology. Prior to joining Southlake Clinic in 2001, he practiced at Virginia Mason in Federal Way. He remains on the clinical faculty at the UW medical school and has served as the president of the Pacific Northwest Dermatological Society.

Dr. Kumasaka is board-certified in Dermatology. His interests are in medical dermatology. This includes diagnosis and treatment of rashes, skin cancers and other conditions of the skin, hair and nails. He treats adults as well as children. His practice is based in Renton and he also sees patients in our Kent clinic.

Dr. Kumasaka lives in Seattle with his wife and three daughters. He enjoys the outdoors, golfing, skiing and playing tennis.

Undergraduate: University of Washinton
Medical School: University of Washington
Residency: Virginia Mason Medical Center
Fellowship: University of Washington

Other Info

Gender: Male
Board Certified: Yes
Accepting New Patients: Yes
Affiliation: Affiliated Community Providers