Mark Howard Duncan, MD

Addiction Medicine, Family Medicine and Psychiatry
Seattle, WA 98105 (1 other location)
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About Mark Howard Duncan MD

Mark Howard Duncan, MD is a health care provider primarily located in Seattle, WA, with another office in Oak Harbor, WA. He has 16 years of experience. His specialties include Addiction Medicine, Family Medicine and Psychiatry.


Dr. Mark Howard Duncan has 2 locations

University Of Washington Psychiatry Clinic 4225 Roosevelt Way NE Ste 306 Seattle, WA 98105
Oak Harbor Primary Care 165 SE Ely St Oak Harbor, WA 98277


Dr. Mark Howard Duncan has the following 3 specialties

Specialty Expertise

Dr. Mark Howard Duncan has the following 9 areas of expertise

  • Schizophrenia
  • Manic Depressive Disorder
  • Clinical Depression
  • Mental Illness
  • Mood Disorders
  • Insomnia
  • Personality Disorder
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Bipolar Disorder


16 Years Experience

Rush Medical College Of Rush University Medical Center

Graduated in 2006

Dr. Mark Howard Duncan Accepts the Following Insurance

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aexcel PPO
  • BCBS Blue Card PPO
  • First Choice
  • First Health PPO
  • Heritage Prime
  • Individual Signature
  • Moda Health First Choice Network
  • Molina place WA
  • Multiplan PPO
  • Preferred Provider Network - WA
  • Premera Heritage and Heritage Plus 1
  • Premera Heritage Signature
  • Premera LifeWise Connect
  • Providence Choice Network
  • Regence UW Medicine
  • Regence WA Preferred Provider Network
  • UHC Choice Plus POS
  • UHC Options PPO
  • UW Medicine Accountable Care Network

More about Dr. Mark Howard Duncan

Dr. Duncan graduated from the Rush Medical College of Rush University Medical Center in 2006. He works in Seattle, WA and 1 other location and specializes in Addiction Medicine, Family Medicine and Psychiatry. Dr. Duncan is affiliated with Whidbey General Hospital, Harborview Medical Center and University Of Washington Medical Center.

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