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

Michael E Gruber MD PC

Organization Internal Medicine Physician · NPI 1861687006

Michael E Gruber MD PC is an Internal Medicine Physician in Bay City, Michigan. Registered with an NPI since 2007.

In the registry since
2007
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

200 S Wenona St
Bay City, MI 48706-8820
Phone: (989) 892-6587
Fax: (989) 892-3140
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1861687006
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michael Gruber — Physician · (989) 892-6587
NPI enumeratedSeptember 11, 2007
Last updated in NPPESDecember 20, 2009
Mailing address200 S Wenona St, Bay City, MI 48706-8820

Other providers in Bay City