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

Johns S. Mac Donald, MD PC

Organization Internal Medicine Physician · NPI 1548361249

Johns S. Mac Donald, MD PC is an Internal Medicine Physician in Saint Johns, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

110 W Higham St
Saint Johns, MI 48879-1559
Phone: (989) 224-0646
Fax: (989) 224-0929
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301038398 (MI)

Record details

NPI number1548361249
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Mac Donald — Owner · (989) 224-0646
NPI enumeratedSeptember 26, 2006
Last updated in NPPESJuly 9, 2010
Mailing address110 W Higham St, Saint Johns, MI 48879-1559

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