Megan B. Ellingsen, MD
Internal Medicine Physician · Bellingham, WA
Megan B. Ellingsen, MD is an internal medicine physician with a practice address in Bellingham, Washington, and NPI 1790866424, issued on Oct 18, 2006. Check the license (Washington MD00047064, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Megan B. Ellingsen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD00047064 WA
MD166330 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2800 Douglas Ave, Bellingham, WA 98225
- Phone
- (360) 733-5877
- Enumerated
- Oct 18, 2006
- Record last updated
- Apr 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (360) 788-6884
- Medicaid ID
- 8468381 WA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 2800 Douglas Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy McGregor, MSW, LSWAICSocial Worker1700241726
Verify Megan B. Ellingsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00047064Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
530 Medicare Part D claims for 119 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Pantoprazole Sodium37 claims
- Levothyroxine Sodium29 claims
- Amlodipine Besylate27 claims
- Metoprolol Succinate21 claims
- Losartan Potassium20 claims
- Metoprolol Tartrate20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Megan B. Ellingsen among 3,079 internal medicine physician records in Washington
Megan B. Ellingsen, 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. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2018 · 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.
All 3,079 in Washington → Every provider in Bellingham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- 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
- Anthony Marfin, M.D.Bellingham, WA 982251083780746
Common questions
What is Megan B. Ellingsen, MD's NPI number?
Megan B. Ellingsen, MD's National Provider Identifier (NPI) is 1790866424, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Megan B. Ellingsen, MD located?
The NPPES record lists a practice address at 2800 Douglas Ave, Bellingham, WA, 98225. Phone: (360) 733-5877. Providers update this record themselves, so call before visiting.
How can I verify Megan B. Ellingsen, MD's license?
NPPES lists Washington license number MD00047064, as entered by the provider. 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.
How much does Megan B. Ellingsen, MD prescribe under Medicare Part D?
In 2024, Megan B. Ellingsen, MD had 530 Medicare Part D claims for 119 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.