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Jeffrey M. Douglass, M.D.


Specialty: Gastroenterology, Board-certified

Clinical Interests: Acid Reflux-Barrett's Esophagus, Biliary Disease, Celiac Sprue, Colon Cancer Screening, Colonoscopy, ERCP, Esophageal Disease, Esophageal Motility, Hepatitis, Inflammatory Bowel Disease, Liver Disease, Pancreatic Disease, Video Capsule Endoscopy

Languages: English, Interpreters available for other languages

Gender: Male


Dr. Douglass was raised in southwest Portland and received his undergraduate degree in biology at Pacific Lutheran University. He earned his medical degree at Oregon Health & Science University (OHSU), where he also completed an internal medicine internship and residency. He completed a three-year gastroenterology fellowship at the University of New Mexico, Albuquerque. Before joining Gastroenterology Specialists of Oregon, Dr. Douglass conducted research on ethnicity and hepatitis C cure rates with Pegylated Interferon and Ribavirin. He also conducted an analysis of endoscopy for iron deficiency anemia. When away from the office Dr Douglass enjoys spending time with his wife and five children. Hobbies include: Spending time with my family, Fishing

Practice Information

Primary Practice: Gastroenterology Specialists of Oregon


Provider practices at one or more Legacy Medical Group (LMG) Clinics: No

Legacy Health Partners


  1. Gastroenterology Specialists of Oregon
    • 19250 SW 90th Ave
    • Tualatin, OR 97062
    • Phone : 503 692-3750
    • Fax : 503 691-2324
  2. Gastroenterology Specialists of Oregon
    • 1003 Providence Dr Ste 315
    • Newberg, OR 97132
    • Phone : 503-692-3750
    • Fax : 503 691-2324
  3. Legacy Meridian Park Medical Center
    • 19300 S.W. 65th Ave.
    • Tualatin, OR 97062
    • Phone : 503-692-1212