Donald Foon Lum, MD - Medicare Gastroenterology in Portland, OR

Donald Foon Lum, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Portland, Oregon. He went to University Of California, Davis School Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice The Oregon Clinic, Pc and his current practice location is 1111 Ne 99th Ave, Suite 301, Portland, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 963-2707.

Donald Foon Lum is licensed to practice in Oregon (license number MD16022) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1376535724.

Contact Information

Donald Foon Lum, MD
1111 Ne 99th Ave, Suite 301,
Portland, OR 97220-9428
(503) 963-2707
(503) 963-2802

Map and Direction




Physician's Profile

Full NameDonald Foon Lum
GenderMale
SpecialityGastroenterology
Experience36 Years
Location1111 Ne 99th Ave, Portland, Oregon
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Donald Foon Lum attended and graduated from University Of California, Davis School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1376535724
  • Provider Enumeration Date: 08/19/2005
  • Last Update Date: 11/04/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7214971217
  • Enrollment ID: I20050610000334

Medical Identifiers

Medical identifiers for Donald Foon Lum such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376535724NPI-NPPES
023908MedicaidOR
8424897MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD60965635 (Washington)Secondary
207RG0100XInternal Medicine - Gastroenterology G74500 (California)Secondary
207RG0100XInternal Medicine - Gastroenterology MD16022 (Oregon)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Portland Medical CenterPortland, ORHospital
Providence Milwaukie HospitalMilwaukie, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Oregon Clinic, Pc2860390408313

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Donald Foon Lum allows following entities to bill medicare on his behalf.
Entity NameThe Oregon Clinic, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265417174
PECOS PAC ID: 2860390408
Enrollment ID: O20031222000096

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Donald Foon Lum is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Donald Foon Lum, MD
541 Ne 20th Ave Ste 225,
Portland, OR 97232-2895

Ph: (503) 963-2801
Donald Foon Lum, MD
1111 Ne 99th Ave, Suite 301,
Portland, OR 97220-9428

Ph: (503) 963-2707

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.