DONALD LUM, MD
The Oregon Clinic Endoscopy Center - East
Direct Primary Care
Expert care for the health and well-being of older adults in a convenient and affordable way.
Credentials & Training
Federally verified- Credential
- MD
- Medical school
- University of California, Davis School of Medicine
- Graduated
- 1988
- Medicare specialty
- Gastroenterology
- Group practice
- The Oregon Clinic, PC · 353 clinicians
- Medicare assignment
- Accepted — bills the Medicare-approved amount as payment in full
Sourced from the CMS Doctors & Clinicians national file, last checked September 2026.
About
Dr. Lum is a board-certified geriatrician with extensive expertise in the care of older adults. He focuses on identifying and treating age-related health conditions, and provides guidance on maintaining a healthy lifestyle. Based in Portland, Oregon, Dr. Lum serves adults aged 65+. As a direct-pay physician, he offers high-quality, personalized care without the burden of insurance company restrictions.
The practice is a direct-pay model, and patients pay out-of-pocket for services. Dr. Lum is currently accepting new patients and offers in-person appointments in Portland.
Areas of Focus
Specialties
Patients Served
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