Gastroenterology
Donald Lum, MD
Medical Director, Inflammatory Bowel Disease, The Oregon Clinic Gastroenterology East
Donald Lum, MD, FACG, is a board-certified gastroenterologist specializing in inflammatory bowel disease (IBD), serving adult patients in the Portland, Oregon area. As Medical Director of IBD at The Oregon Clinic Gastroenterology East, he treats conditions including Crohn's disease, ulcerative colitis, ileitis, regional enteritis, and very early onset IBD (VEOIBD). Dr. Lum performs procedures such as colonoscopy, polypectomy, and colorectal screening, with expertise demonstrated by higher claims
35+
Years in Practice
Credentials
Board Certifications
- Gastroenterology (ABIM)
- Internal Medicine (ABIM)
Education & Training
- University of California, Davis School of Medicine — M.D., 1988
- University of California (San Francisco) — Fellowship, Gastroenterology, 1992-1995
- Oregon Health & Science University — Residency, Internal Medicine; Chief Resident, Department of Medicine
- Oregon Health & Science University — Internship, Internal Medicine
Peer Recognition
- Healthgrades — Healthgrades Choice Provider in Gastroenterology
2026
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Providence Portland Medical Center
- Providence Willamette Falls Medical Center
- Providence Milwaukie Hospital
- Adventist Health Columbia Gorge
- Providence Health & Services
Languages
English, German, Spanish
Experience
35+ years in practice