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

Timothy G. O'Callaghan, DO PC

Organization Family Medicine Physician · NPI 1710185954

Timothy G. O'Callaghan, DO PC is a Family Medicine Physician in Ludington, Michigan. Licensed in Michigan. Registered with an NPI since 2007.

Licensed in
MI
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

922 Lawndale St
Ludington, MI 49431-1928
Phone: (231) 845-7380
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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 009392 (MI)

Record details

NPI number1710185954
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Timothy O'Callaghan — Physician · (231) 845-7380
NPI enumeratedJuly 10, 2007
Last updated in NPPESMarch 7, 2023
Mailing address922 Lawndale St, Ludington, MI 49431-1928

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