Mark H. Duncan M.D. Accepting new patients

Accepting new patients Make an Appointment

Mental health care, Psychiatry




Mark Duncan, M.D., is a board certified psychiatrist at UWMC-Roosevelt and the UW Neighborhood Northgate Clinic and a UW assistant professor of Family Medicine and Psychiatry and Behavioral Sciences.

Dr. Duncan practices adult general psychiatry and addiction psychiatry. He strives to create active partnerships with his patients to achieve the best possible outcomes.

Dr. Duncan earned his M.D. from Rush University, Chicago. He is triple board certified in Family Medicine, Psychiatry and Addiction Psychiatry. His clinical interests include substance use disorders, and primary care and mental health integration. His research interests include substance use treatment and primary care integration, substance use in underserved populations and mental health training for primary care residents.

Personal Interests

In his spare time, Dr. Duncan enjoys skiing, biking, basketball, camping, and reading or listening to audiobooks.
Psychiatry Clinic (Outpatient) at UWMC-Roosevelt

Psychiatry Clinic (Outpatient) at UWMC-Roosevelt

4225 Roosevelt Way NE, 3rd Floor, Ste. 306 Seattle, WA 98105


Care for substance abuse and addiction, Consultation and Telepsychiatry, Depression and other mood disorders treatment, Diagnostic consultations and second opinions


UW Neighborhood Northgate Clinic

314 NE Thornton Place Seattle, WA 98125


Acute illness and injury, Adolescent medicine, Behavioral healthcare, Children's care

Rush University

Medical education, 2006

West Suburban Medical Center

Residency, Family Medicine

UWMC - Pharmacy Oncology Residency

Fellowship, Addiction Psychiatry

University of Washington - School of Medicine

Residency, Psychiatry


Board Certifications
  • Addiction Psychiatry, 2014, American Board of Psychiatry & Neurology
  • Psychiatry, 2012, American Board of Psychiatry & Neurology
  • Family Medicine, 2009, American Board of Family Medicine