Lazarus Onwuka, D.O., M.D.
Hospitalist Physician · Belfast, ME
Lazarus Onwuka, D.O., M.D. is a hospitalist physician with a practice address in Belfast, Maine, and NPI 1700269362, issued on Jul 1, 2015. Check the license (Maine LT18015, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Lazarus Onwuka
- Credential
- D.O., M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- LT18015 ME
289501 NY
62056 CT
Self-reported in NPPES; status is on the state search - Practice location
- 118 Northport Ave, Belfast, ME 04915
- Phone
- (207) 661-2018
- Enumerated
- Jul 1, 2015
- Record last updated
- Jun 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20180808002029); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 118 Northport Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Adler, MOT, OTR/LOccupational Therapist1144787839
- David Arnold, D.O.Anesthesiology Physician1710192786
- Jessica Austin, M.A., CCC-SLPSpeech-Language Pathologist1194035543
- Arpita Badami, MDAnesthesiology Physician1144323379
- Katelynn BagleyPediatric Occupational Therapist1801768981
- Michael Barnes Lopez, M.A.Audiologist1477717304
Verify Lazarus Onwuka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license LT18015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average hospitalist physician in 2024
266 Medicare Part D claims for 117 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Eliquis20 claims
- Furosemide17 claims
- Amoxicillin-Clavulanate Potass15 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): 98.1 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).
4 hospitals and group practices
- Samaritan Hospital OF Troy, New YorkTroy, NY · Acute Care Hospitals3 of 5 stars
- Southwest Suffolk Medical PCSmithtown, NY
- St Peters Hospital OF The City OF AlbanyAlbany, NY
- Upstate NY Doctor OF Medicine PLLCAmsterdam, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
6 hospitalist physician records list a practice address in Belfast
They are 6 of the 393 NPPES records with a practice address in Belfast, and 245 hospitalist physician records in Maine.
All 6 in Belfast → All 245 in Maine → Every provider in Belfast →
Other hospitalist physician records in Maine
- Christopher Abbott, D.O.Lewiston, ME1982043329
- Moataz Mohamed Nazmy Abdelnaby, MDBangor, ME1124747712
- Sophia AdamsPortland, ME1073961892
- Adedeji Ademiluyi, MDBiddeford, ME1467013268
- Kelly Aguilar, M.D.Bangor, ME1376938639
- Mohanad Ahmed, MDBangor, ME1629797162
- Seleipiri Akobo, M.DPortland, ME1952763914
- Ahmed Aldilaimi, MDWaterville, ME1497721849
- Nancy Allen, M.D.Bangor, ME1215186010
- Terry Allen, M.D.Bangor, ME1447290572
Common questions
What is Lazarus Onwuka, D.O., M.D.'s NPI number?
Lazarus Onwuka, D.O., M.D.'s National Provider Identifier (NPI) is 1700269362, issued on Jul 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Lazarus Onwuka, D.O., M.D. located?
The NPPES record lists a practice address at 118 Northport Ave, Belfast, ME, 04915. Phone: (207) 661-2018. Providers update this record themselves, so call before visiting.
How can I verify Lazarus Onwuka, D.O., M.D.'s license?
NPPES lists Maine license number LT18015, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lazarus Onwuka, D.O., M.D. prescribe under Medicare Part D?
In 2024, Lazarus Onwuka, D.O., M.D. had 266 Medicare Part D claims for 117 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Lazarus Onwuka, D.O., M.D.'s MIPS final score?
The 2023 MIPS final score is 98.1 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.