Patrick Brennan, MD
NPI 1205868502 · Infectious Disease Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Brennan, MD is a Infectious Disease Physician provider in Philadelphia, PA (NPI 1205868502).
Provider details
- NPI number
- 1205868502
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD030534E (PA)
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
19 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
- 2006-07-07
- Last updated
- 2014-06-03
Frequently asked questions
- What is Patrick Brennan's NPI number?
- Patrick Brennan's National Provider Identifier (NPI) is 1205868502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Brennan's specialty?
- Patrick Brennan is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Brennan located?
- Patrick Brennan's practice location on file with NPPES is 3400 Spruce St, Philadelphia, PA 19104-4206.
- What is Patrick Brennan's phone number?
- The practice phone number listed in the NPPES registry for Patrick Brennan is (215) 662-6932.
- Does Patrick Brennan accept Medicare?
- Patrick Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Brennan's NPI active?
- Yes — Patrick Brennan's NPI (1205868502) is active in the NPPES registry as of the last update on 2014-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.