Andrew Brown, MD
NPI 1265506570 · Pediatrics Physician · Hayward, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Brown, MD is a Pediatrics Physician provider in Hayward, CA (NPI 1265506570).
Provider details
- NPI number
- 1265506570
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A39075 (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
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
- 2006-11-20
- Last updated
- 2022-01-25
- Certified
- 2022-01-25
Frequently asked questions
- What is Andrew Brown's NPI number?
- Andrew Brown's National Provider Identifier (NPI) is 1265506570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Brown's specialty?
- Andrew Brown is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Brown located?
- Andrew Brown's practice location on file with NPPES is 27400 Hesperian Blvd, Hayward, CA 94545-4235.
- What is Andrew Brown's phone number?
- The practice phone number listed in the NPPES registry for Andrew Brown is (510) 784-4000.
- Does Andrew Brown accept Medicare?
- Andrew Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Brown's NPI active?
- Yes — Andrew Brown's NPI (1265506570) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.