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  • Dermatology
  • Accepting new patients
  • 37 years of experience
  • Valley Medical Dermatology 660 SW 39th St Ste 150, Renton, WA 98057
  • (425) 690-3483

Brief Intro

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 or nails. He treats adults as well as children. His practice is based in Renton and also sees patient in our Kent clinic. Dr. Kumasaka lives in Seattle with his wife and three daughters. He enjoys the outdoors, golfing, skiing, and playing tennis.

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Education Background

RESIDENCY

Virginia Mason Medical Center

MEDICAL SCHOOL

University Of Washington School Of Medicine - 1988

Languages Spoken

  • Vietnamese
  • English

Location & Hours

  • Valley Medical Dermatology
  • 660 SW 39th St Ste 150, Renton, WA 98057
  • Mon:8:30 am - 5:00 pm
    Tue:8:30 am - 5:00 pm
    Wed:8:30 am - 5:00 pm
    Thu:8:30 am - 5:00 pm
    Fri:8:30 am - 5:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Dermatology

Conditions Addressed

  • Contact Dermatitis
  • Eczema
  • Acne
  • Plantar Warts
  • Tinea Unguium
  • Hair Loss
  • Skin Rash
  • Psoriasis
  • Melanoma
  • Dermatitis
  • Rosacea
  • Skin Cancer
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Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • State Farm
  • Medicaid
  • Transamerica
  • Aetna
  • UnitedHealthcare
  • Meritain Health
  • LifeWise
  • Tricare
  • Cigna
  • Medicare
  • Wellcare
  • Blue Shield of California
  • Molina Healthcare
  • Kaiser Permanente
  • Triwest Healthcare Alliance
  • Blue Cross Blue Shield
  • NALC Health Benefit Plan
  • Humana
  • First Health (Coventry Health Care)
  • Regence BlueShield
  • SAMBA
  • Allegiance Life and Health
  • GEHA
  • Zenith
  • Physicians Mutual
  • UnitedHealthcare Oxford
  • AmeriGroup
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  • Cancer 20
  • Cardiology, Heart & Vascular Surgery 15
  • Orthopedics 36
  • Neurology & Neurosurgery 21
  • Gastroenterology & GI Surgery 32
  • Pulmonology & Lung Surgery 33
  • Diabetes & Endocrinology 12
  • Children's Hospital 4
  • Urology 30
  • Psychiatry 16
  • Geriatrics 33
  • Rehabilitation 13
  • Obsterics & Gynecology 4
  • Ear, Nose & Throat 4
  • Rheumatology 1
  • Long Term Care 1
  • Maternity Care (Uncomplicated Pregnancy) 15