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

William F. Brennan DO, PA

Organization Family Medicine Physician · NPI 1578517645

William F. Brennan DO, PA is a Family Medicine Physician in Mantua, New Jersey. Licensed in New Jersey. Registered with an NPI since 2006.

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

See every abbreviation used in this directory →

Practice location Address checks out

145 Main St
Mantua, NJ 08051-1011
Phone: (856) 468-5184
Fax: (856) 468-7370
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 25MB03184700 (NJ)

Record details

NPI number1578517645
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Brennan — President · (856) 468-5184
NPI enumeratedMay 21, 2006
Last updated in NPPESSeptember 1, 2007
Mailing address145 Main St, Mantua, NJ 08051-1011