Thomas Brown, DO
NPI 1538247432 · Obstetrics & Gynecology Physician · Vacaville, CA
Enrolled with Medicare as Order and Referring Only - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Brown, DO is a Obstetrics & Gynecology Physician provider in Vacaville, CA (NPI 1538247432).
Provider details
- NPI number
- 1538247432
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A4130 (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
- 2006-11-01
- Last updated
- 2014-08-14
Frequently asked questions
- What is Thomas Brown's NPI number?
- Thomas Brown's National Provider Identifier (NPI) is 1538247432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Brown's specialty?
- Thomas Brown is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Brown located?
- Thomas Brown's practice location on file with NPPES is 1 Quality Dr, Vacaville, CA 95688-9494.
- What is Thomas Brown's phone number?
- The practice phone number listed in the NPPES registry for Thomas Brown is (707) 453-5000.
- Does Thomas Brown accept Medicare?
- Thomas Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Brown's NPI active?
- Yes — Thomas Brown's NPI (1538247432) is active in the NPPES registry as of the last update on 2014-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.