Michael Andrew O'Hara, M.D.
Hospitalist Physician · Portland, OR
Michael Andrew O'Hara, M.D. is a hospitalist physician with a practice address in Portland, Oregon, and NPI 1699900712, issued on May 19, 2009. Check the license (Oregon MD156810, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael Andrew O'Hara
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD156810 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4805 NE Glisan St, Portland, OR 97213
- Phone
- (503) 215-2392
- Enumerated
- May 19, 2009
- Record last updated
- Mar 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 500647851 OR
- Medicare enrollment
- Enrolled (PECOS I20120921000785); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 471 in Oregon → Look up another NPI →
Also registered at 4805 NE Glisan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Andrew O'Hara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD156810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average hospitalist physician in 2024
225 Medicare Part D claims for 68 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium16 claims
- Eliquis16 claims
- Metoprolol Succinate11 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Andrew O'Hara among 471 hospitalist physician records in Oregon
Michael Andrew O'Hara, M.D. is one of 471 hospitalist physician records with a practice address in Oregon. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 44% of them.
- NPI issued2009 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2009 · median 2009 among the 400 with a school on file
- Record last updated2021 · 51% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Oregon
There are 471 hospitalist physician records in Oregon.
All 471 in Oregon → Every provider in Portland → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Brett Baxter, MDPortland, OR 972131942246947
- Nathaniel Brigham, M.D.Portland, OR 972131851362578
- Patrick Campbell, MDPortland, OR 972131578533980
- Amy Carolan, MDPortland, OR 972131295762946
- Sarah Dervan, MDPortland, OR 972131457381329
- Kristin Garrett, MDPortland, OR 972131811959752
- Todd Guenzburger, MDPortland, OR 972131790750214
- Merrill Harris, MDPortland, OR 972131114956422
Common questions
What is Michael Andrew O'Hara, M.D.'s NPI number?
Michael Andrew O'Hara, M.D.'s National Provider Identifier (NPI) is 1699900712, issued on May 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Michael Andrew O'Hara, M.D. located?
The NPPES record lists a practice address at 4805 NE Glisan St, Portland, OR, 97213. Phone: (503) 215-2392. Providers update this record themselves, so call before visiting.
How can I verify Michael Andrew O'Hara, M.D.'s license?
NPPES lists Oregon license number MD156810, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Andrew O'Hara, M.D. prescribe under Medicare Part D?
In 2024, Michael Andrew O'Hara, M.D. had 225 Medicare Part D claims for 68 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Michael Andrew O'Hara, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.8 of 100, reported for the practice group. 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.