Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John C. Macmaster, DO

Individual provider Family Medicine Physician · NPI 1831135045

Dr. John C. Macmaster, DO is a Family Medicine Physician in Harrisville, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

177 N Barlow Rd
Harrisville, MI 48740-9607
Phone: (989) 736-8157
Fax: (989) 358-3762
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 5101009518 (MI)

Record details

NPI number1831135045
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 22, 2006
Last updated in NPPESOctober 5, 2021
Certification dateOctober 5, 2021
Mailing addressPo Box 279, Lincoln, MI 48742-0279

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