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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Donald Lum, Gastroenterologist is Excellent. Dr. Lum has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

Dr. Donald Lum, MD is board certified in Gastroenterology.

  • He has special expertise in 9 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Meningitis
  • Ulcerative Colitis

Education & Awards

Dr. Lum graduated from University of California at Davis. He has 6 awards.

Regents Scholar, University of California, 1978-1983
House Staff Teaching Award, 1989-1990
Alpha Omega Alpha, 1992
Ciba-Geigy House Staff Teaching Award, 1990-1991
Bridges to Excellence Recognition
Physician Office Systems Recognition (2015 - 2016)
Level II
IBD Care Recognition (2015 - 2016)
Level I


Dr. Lum has 2 hospital affiliations:

  • Providence Milwaukie Hospital 
  • Providence Portland Medical Center 


  • German

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Additional Information
Dr. Donald Foon Lum MD is a male Internist, has 23 years of experience and practices in Gastroenterology.
Where does Dr. Donald F. Lum practice?
Dr. Donald Lum has 2 office locations.
Dr. Donald Lum practices Gastroenterology near Clackamas, OR.
Additional practice locations include: Portland, OR.
See Clackamas Gastroenterologists.