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

William T Mangan Jr, DO PLLC

Organization Family Medicine Physician · NPI 1093995078

William T Mangan Jr, DO PLLC is a Family Medicine Physician in Williamston, Michigan. Licensed in Michigan. Registered with an NPI since 2007.

Licensed in
MI
In the registry since
2007
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

319 W Grand River Ave
Williamston, MI 48895-1300
Phone: (517) 655-3979
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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 5101011930 (MI)

Record details

NPI number1093995078
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Mangan — Owner · (517) 655-3979
Other names Family Healt H Center Of Williamston, Pllc
NPI enumeratedNovember 7, 2007
Last updated in NPPESJune 25, 2008
Mailing address319 W Grand River Ave, P O Box 410, Williamston, MI 48895-1300

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