William F. Brennan D.o.,p.a.
NPI 1578517645 · Family Medicine Physician · Mantua, NJ
William F. Brennan D.o.,p.a. is a Family Medicine Physician organization in Mantua, NJ (NPI 1578517645).
Provider details
- NPI number
- 1578517645
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Brennan, President(856) 468-5184
- License
- 25MB03184700 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-21
- Last updated
- 2007-09-01
Frequently asked questions
- What is William F. Brennan D.o.,p.a.'s NPI number?
- William F. Brennan D.o.,p.a.'s National Provider Identifier (NPI) is 1578517645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William F. Brennan D.o.,p.a.?
- William F. Brennan D.o.,p.a. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William F. Brennan D.o.,p.a. located?
- William F. Brennan D.o.,p.a.'s practice location on file with NPPES is 145 Main St, Mantua, NJ 08051-1011.
- What is William F. Brennan D.o.,p.a.'s phone number?
- The practice phone number listed in the NPPES registry for William F. Brennan D.o.,p.a. is (856) 468-5184.
- Who is the authorized official for William F. Brennan D.o.,p.a.?
- The authorized official listed on William F. Brennan D.o.,p.a.'s NPPES record is William Brennan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William F. Brennan D.o.,p.a.'s NPI active?
- Yes — William F. Brennan D.o.,p.a.'s NPI (1578517645) is active in the NPPES registry as of the last update on 2007-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.