Michael R. McNamara, D.O.
General Practice Physician · Lewiston, MI
Michael R. McNamara, D.O. is a general practice physician with a practice address in Lewiston, Michigan, and NPI 1801860440, issued on Feb 13, 2006. Check the license (Michigan 1801860440, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Michael R. McNamara
- Credential
- D.O.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 1801860440 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3040 Bourn St, Lewiston, MI 49756
- Phone
- (989) 786-4877
- Enumerated
- Feb 13, 2006
- Record last updated
- May 7, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (989) 786-2187
- Medicaid ID
- 2838664 MI
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 369 in Michigan → Look up another NPI →
Also registered at 3040 Bourn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Borowiak, FNP-CFamily Nurse Practitioner1295383008
- Caylee Lawnichak, PA-CPhysician Assistant1801530860
- Kristin Maschke, M.D.General Practice Physician1992778807
- Jennifer McBride, AGNP-CNurse Practitioner1043767395
- Jessica NeurothFamily Medicine Physician1487036513
- Hannah Russell, PA-CPhysician Assistant1346601127
Verify Michael R. McNamara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 1801860440Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average general practice physician in 2024
2,069 Medicare Part D claims for 255 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium110 claims
- Omeprazole94 claims
- Amlodipine Besylate87 claims
- Levothyroxine Sodium69 claims
- Metoprolol Succinate64 claims
- Losartan Potassium60 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.
Industry payments in 2024: $22.34
1 payment: food and beverage; the largest payer was Abbvie Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael R. McNamara among 369 general practice physician records in Michigan
Michael R. McNamara, D.O. is one of 369 general practice physician records with a practice address in Michigan. 49% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 64% newer
- In a Medicare fileYes · 49% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2014 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 general practice physician records list a practice address in Lewiston
They are 2 of the 19 NPPES records with a practice address in Lewiston, and 369 general practice physician records in Michigan.
All 369 in Michigan → Every provider in Lewiston → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Kristin Maschke, M.D.Lewiston, MI 497561992778807
- Jacqueline Fitzgerald, D.O.Ossineke, MI 497661205862455
- Russell LabeauPetoskey, MI 497701881908671
- Gustav Lo, M.D.Petoskey, MI 497701568519635
- Joseph Sobota, M. D.Harbor Springs, MI 497401982062154
- Rachel Amsterburg, DOGrayling, MI 497381629278957
- Donald Cousineau, DO, PCGaylord, MI 497351841485133
- Mark Hauswirth, DOGaylord, MI 497351073829453
Common questions
What is Michael R. McNamara, D.O.'s NPI number?
Michael R. McNamara, D.O.'s National Provider Identifier (NPI) is 1801860440, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael R. McNamara, D.O. located?
The NPPES record lists a practice address at 3040 Bourn St, Lewiston, MI, 49756. Phone: (989) 786-4877. Providers update this record themselves, so call before visiting.
How can I verify Michael R. McNamara, D.O.'s license?
NPPES lists Michigan license number 1801860440, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael R. McNamara, D.O. prescribe under Medicare Part D?
In 2024, Michael R. McNamara, D.O. had 2,069 Medicare Part D claims for 255 beneficiaries; the average among general practice physician prescribers was 3,030. 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.