John C. Macmaster, D.O.
Family Medicine Physician · Harrisville, MI
John C. Macmaster, D.O. is a family medicine physician with a practice address in Harrisville, Michigan, and NPI 1831135045, issued on Jun 22, 2006. Check the license (Michigan 5101009518, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- John C. Macmaster
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5101009518 MI
Self-reported in NPPES; status is on the state search - Practice location
- 177 N Barlow RD, Harrisville, MI 48740
- Phone
- (989) 736-8157
- Enumerated
- Jun 22, 2006
- Record last updated
- Oct 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (989) 358-3762
- Medicaid ID
- 1990647 MI
- Entity
- Type 1 · individual
Also registered at 177 N Barlow RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John C. Macmaster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101009518Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
277 Medicare Part D claims for 128 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 16 claims were for opioids.
Most prescribed
- Gabapentin19 claims
- Levothyroxine Sodium14 claims
- Sertraline Hcl13 claims
- Atorvastatin Calcium12 claims
- Metoprolol Succinate12 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.
6 family medicine physician records list a practice address in Harrisville
They are 6 of the 37 NPPES records with a practice address in Harrisville, and 6,013 family medicine physician records in Michigan.
All 6 in Harrisville → All 6,013 in Michigan → Every provider in Harrisville →
Other family medicine physician records in Michigan
- Asma AbbasHamtramck, MI1982946463
- Saadia Abbas, MDChesterfield, MI1619136868
- Faezeh AbbasiMonroe, MI1144065921
- Layla Abbasi, MDWayne, MI1346177607
- Marisa Abbo, DORochester Hills, MI1184605388
- Cathleen Abbott, M.D.East Lansing, MI1275630501
- Leah Abbott, MDGwinn, MI1760987341
- Nina Abboud, DORochester Hills, MI1639750557
- Ryan Abboud, DOBingham Farms, MI1104353077
- Christina Abd, MDSterling Heights, MI1770371965
Common questions
What is John C. Macmaster, D.O.'s NPI number?
John C. Macmaster, D.O.'s National Provider Identifier (NPI) is 1831135045, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Macmaster, D.O. located?
The NPPES record lists a practice address at 177 N Barlow RD, Harrisville, MI, 48740. Phone: (989) 736-8157. Providers update this record themselves, so call before visiting.
How can I verify John C. Macmaster, D.O.'s license?
NPPES lists Michigan license number 5101009518, 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 John C. Macmaster, D.O. prescribe under Medicare Part D?
In 2024, John C. Macmaster, D.O. had 277 Medicare Part D claims for 128 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.