Michael Stewart Olsen, MD
Internal Medicine Physician · Edmonds, WA
Michael Stewart Olsen, MD is an internal medicine physician with a practice address in Edmonds, Washington, and NPI 1336180454, issued on Jun 9, 2006. Check the license (Washington MD00044798, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael Stewart Olsen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00044798 WA
Self-reported in NPPES; status is on the state search - Practice location
- 21601 76TH Ave W, Edmonds, WA 98026
- Phone
- (425) 640-4000
- Enumerated
- Jun 9, 2006
- Record last updated
- Mar 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (425) 640-4010
- Medicaid ID
- 8422933 WA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 21601 76TH Ave W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Stewart Olsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00044798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael Stewart Olsen among 3,079 internal medicine physician records in Washington
Michael Stewart Olsen, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2008 · 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).
18 internal medicine physician records list a practice address in Edmonds
They are 18 of the 1,558 NPPES records with a practice address in Edmonds, 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 Edmonds → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anita Chopra, MDEdmonds, WA 980261043526049
- Brock Eide, M.D. M.A.Edmonds, WA 980261528133816
- Linda Kampp, M.D.Edmonds, WA 980261245275338
- Jungeun Lee, MDEdmonds, WA 980261255772505
- Joseph Martinez, MD, PA-C, MPHEdmonds, WA 980261295749729
- Elizabeth McGehee, MDEdmonds, WA 980261194112177
- Douglas McMillen, MDEdmonds, WA 980261093721508
- Bich-Khanh Nguyen, M.D.Edmonds, WA 980261124080734
Common questions
What is Michael Stewart Olsen, MD's NPI number?
Michael Stewart Olsen, MD's National Provider Identifier (NPI) is 1336180454, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Stewart Olsen, MD located?
The NPPES record lists a practice address at 21601 76TH Ave W, Edmonds, WA, 98026. Phone: (425) 640-4000. Providers update this record themselves, so call before visiting.
How can I verify Michael Stewart Olsen, MD's license?
NPPES lists Washington license number MD00044798, 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.
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.