Margaret A. Oppenheimer, MD
Internal Medicine Physician · Bellingham, WA
Margaret A. Oppenheimer, MD is an internal medicine physician with a practice address in Bellingham, Washington, and NPI 1598956419, issued on Aug 6, 2007. Check the license on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Margaret A. Oppenheimer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD151425 OR
2026011662 MO
Self-reported in NPPES; status is on the state search - Practice location
- 709 W Orchard Dr, Bellingham, WA 98225
- Phone
- (360) 318-8800
- Enumerated
- Aug 6, 2007
- Record last updated
- Apr 27, 2026
- Fax
- (360) 318-1085
- Medicare enrollment
- Enrolled (PECOS I20260505001947); may accept Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 709 W Orchard Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Adriance, M.D.Family Medicine Physician1598723942
- Abigail De Gouveia, PA-CPhysician Assistant1598196644
- Denis Foster, MDFamily Medicine Physician1093755100
- Ashley Harmon, NP-CFamily Nurse Practitioner1467805226
- Kevin McClurg, P.A. - CPhysician Assistant1245296615
- Elizabeth Price, NPFamily Nurse Practitioner1801253828
Verify Margaret A. Oppenheimer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Margaret A. Oppenheimer among 3,079 internal medicine physician records in Washington
Margaret A. Oppenheimer, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 46% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2007 · median 2006 among the 1,852 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 internal medicine physician records list a practice address in Bellingham
They are 84 of the 5,172 NPPES records with a practice address in Bellingham, and 3,079 internal medicine physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,079 in Washington → Every provider in Bellingham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Megan Ellingsen, MDBellingham, WA 982251790866424
- Elizabeth Gabay, MDBellingham, WA 982251932127222
- Eduardo Goo, MDBellingham, WA 982251376561266
- Gittle Goodman Wilson, MDBellingham, WA 982251811034234
- Susan Holstine, D.O.Bellingham, WA 982251245299619
- Omar Jaffer, MDBellingham, WA 982251700095494
- Mahnaz Lary, MDBellingham, WA 982251285732289
- Angie Lee, MDBellingham, WA 982251386788784
Common questions
What is Margaret A. Oppenheimer, MD's NPI number?
Margaret A. Oppenheimer, MD's National Provider Identifier (NPI) is 1598956419, issued on Aug 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret A. Oppenheimer, MD located?
The NPPES record lists a practice address at 709 W Orchard Dr, Bellingham, WA, 98225. Phone: (360) 318-8800. Providers update this record themselves, so call before visiting.
How can I verify Margaret A. Oppenheimer, MD's license?
Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.