William Brownstein, MD
NPI 1518978808 · Pediatrics Physician · Bristol, CT
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Brownstein, MD is a Pediatrics Physician provider in Bristol, CT (NPI 1518978808).
Provider details
- NPI number
- 1518978808
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 024576 (CT)
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
- 2006-08-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Brownstein's NPI number?
- William Brownstein's National Provider Identifier (NPI) is 1518978808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Brownstein's specialty?
- William Brownstein is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is William Brownstein located?
- William Brownstein's practice location on file with NPPES is 160 Wolcott St, Bristol, CT 06010-6422.
- What is William Brownstein's phone number?
- The practice phone number listed in the NPPES registry for William Brownstein is (860) 589-8872.
- Does William Brownstein accept Medicare?
- William Brownstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Brownstein's NPI active?
- Yes — William Brownstein's NPI (1518978808) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.