What is Donald Lum's specialty?

Donald Lum (NPI 1376535724) is a Medicare-billing provider whose primary specialty is Gastroenterology in Portland, OR.

Where does Donald Lum practice?

Donald Lum practices in Portland, OR, based on the location reported in the CMS Medicare provider datasets for NPI 1376535724.

How much does Medicare pay Donald Lum?

Donald Lum (NPI 1376535724) received approximately $81K in total Medicare Part B payments, serving 197 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1376535724

Donald LumMD

GastroenterologyPortland, ORI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

260

Unique beneficiaries

—

Total services

306

Distinct HCPCS

Medicare payment

$27K

Peer benchmark

Total Medicare services vs. 181 Gastroenterology providers in OR — top quintile (cohort median 655).

PRESCRIBING · PART D · 2024

Total Rx claims

569

Beneficiaries

—

Total drug cost

$25K

Distinct drugs

Brand share

39.7%

Top prescribed drugs

Omeprazole109 claims

Famotidine77 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl57 claims

Sodium, Potassium,mag Sulfates44 claims

Budesonide32 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$87K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$74K

Travel and Lodging$10K

Food and Beverage$3K

Education$26

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$74K

Travel and Lodging$10K

Food and Beverage$3K

Education$26

REFERRAL NETWORK

Where Donald Lum's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 5 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES OREGON	124	352
THE OREGON CLINIC PC	78	141
Xiaohong Cai Pathology · Portland, OR	31	63
Melissa Li Pathology · Portland, OR	16	35
James Tsai Diagnostic Radiology · Portland, OR	12	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES OREGON	52	133
JONES, JAMES	22	42
Hong Xiao Pathology · Boston, MA	21	41
OREGON HEALTH & SCIENCE UNIVERSITY	13	37
WITHROW, MICHAEL	12	24

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events