Donald Foon Lum, MD
Gastroenterology Internal Medicine
Donald Foon Lum, MD practices as part of a group gastroenterologist practice in Portland, OR. Trained at University of California, Davis School of Medicine (class of 1988), he has been practicing for over 38 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.
Older · 548dNPPES updated 2024-11-04 · verify on CMS
Contact & Location
Practice Location
1111 Ne 99th Ave Suite 301, Portland, OR 97220-9428
How Does This Doctor Compare?
Medicare Patients
211
Unique beneficiaries
Standard volumePrescription Recipients
251
Patients prescribed
Prescriptions Written
755
Total claims
Total Medicare drug cost: $591k
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Joint inflammation causing pain, swelling, and stiffness
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
Excessive worry or fear that interferes with daily life
A condition where the body cannot properly regulate blood sugar levels
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$109.4k received from industry
109 transactions reported in 2024 ·Very High tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Donald Foon Lum's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
University of California, Davis School of Medicine
Board certified · Nov 3, 2024
CMS-verified certification date
38 years in practice
Senior practitioner
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
University of California, Davis School of Medicine (Class of 1988)
Mailing address
541 Ne 20th Ave Ste 225, Portland, OR 97232-2895
Differs from practice location
Virtual Internal Medicine Care With Donald Foon Lum
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Donald Foon Lum for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Portland required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Donald Foon Lum
NPI records show Dr. Lum as active with telehealth listed in Portland, OR. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (503) 963-2707.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Donald Foon Lum
Practice Location
1111 Ne 99th Ave Suite 301, Portland, OR 97220-9428
Mailing Address
541 Ne 20th Ave Ste 225, Portland, OR 97232-2895
This is a provider directory. Contact the office directly to schedule appointments.
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