Sarah Brennan, M.D.
NPI 1366887762 · Pediatrics Physician · Orange, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Brennan, M.D. is a Pediatrics Physician provider in Orange, CA (NPI 1366887762).
Provider details
- NPI number
- 1366887762
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A134033 (CA)
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
13 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
- 2013-04-30
- Last updated
- 2018-05-10
Frequently asked questions
- What is Sarah Brennan's NPI number?
- Sarah Brennan's National Provider Identifier (NPI) is 1366887762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Brennan's specialty?
- Sarah Brennan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Brennan located?
- Sarah Brennan's practice location on file with NPPES is 505 S Main St Ste 525, Orange, CA 92868-4553.
- What is Sarah Brennan's phone number?
- The practice phone number listed in the NPPES registry for Sarah Brennan is (714) 456-5631.
- Does Sarah Brennan accept Medicare?
- Sarah Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Brennan's NPI active?
- Yes — Sarah Brennan's NPI (1366887762) is active in the NPPES registry as of the last update on 2018-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.