Michael J. Lenaeus, M.D.
Hospitalist Physician · Seattle, WA
Michael J. Lenaeus, M.D. is a hospitalist physician with a practice address in Seattle, Washington, and NPI 1316262538, issued on Mar 30, 2010. Check the license (Washington MD60344940, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Michael J. Lenaeus
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD60344940 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1959 NE Pacific St, Seattle, WA 98195
- Phone
- (206) 598-4333
- Enumerated
- Mar 30, 2010
- Record last updated
- Jan 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 1316262538 WA
- Medicare enrollment
- Enrolled (PECOS I20130622000130); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 793 in Washington → Look up another NPI →
Also registered at 1959 NE Pacific St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin AaronsonPsychologist1497108880
- Laith Abandeh, MDPediatric Radiology Physician1609404243
- Rebecca AbayInternal Medicine Physician1528565520
- Gifti Abbo, MDStudent in an Organized Health Care Education/Training Program1316688989
- Nandini AbburiNeurology Physician1730618349
- Mohamed AbdelmotlebDiagnostic Radiology Physician1134892656
Verify Michael J. Lenaeus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60344940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average hospitalist physician in 2024
62 Medicare Part D claims for 21 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael J. Lenaeus among 793 hospitalist physician records in Washington
Michael J. Lenaeus, M.D. is one of 793 hospitalist physician records with a practice address in Washington. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 39% of them.
- NPI issued2010 · 39% of these records are older, 57% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2010 · median 2011 among the 649 with a school on file
- Record last updated2018 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Washington
There are 793 hospitalist physician records in Washington.
All 793 in Washington → Every provider in Seattle → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Lauren Brown, M.D.Seattle, WA 981951205134590
- Brandon Fainstad, M.D.Seattle, WA 981951063711513
- Stephen Farris, M.D.Seattle, WA 981951760638126
- Ronald Huang, MDSeattle, WA 981951730345497
- Molly Jackson, MDSeattle, WA 981951710090725
- Elizabeth Kaplan, M.D.Seattle, WA 981951831391374
- Jesse Levin, MDSeattle, WA 981951356579916
- Vandna Milligan, M.D.Seattle, WA 981951861626285
Common questions
What is Michael J. Lenaeus, M.D.'s NPI number?
Michael J. Lenaeus, M.D.'s National Provider Identifier (NPI) is 1316262538, issued on Mar 30, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Michael J. Lenaeus, M.D. located?
The NPPES record lists a practice address at 1959 NE Pacific St, Seattle, WA, 98195. Phone: (206) 598-4333. Providers update this record themselves, so call before visiting.
How can I verify Michael J. Lenaeus, M.D.'s license?
NPPES lists Washington license number MD60344940, 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 Michael J. Lenaeus, M.D. prescribe under Medicare Part D?
In 2024, Michael J. Lenaeus, M.D. had 62 Medicare Part D claims for 21 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Michael J. Lenaeus, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.