Washington Marin Castro, M.D.
NPI 1396368544 · Pediatrics Physician · Brenham, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Washington Marin Castro, M.D. is a Pediatrics Physician provider in Brenham, TX (NPI 1396368544).
Provider details
- NPI number
- 1396368544
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- U1081 (TX)
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
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 700 Medical PkwyBrenham, TX 77833-5413Phone: (979) 337-5000
Registry dates
- Enumerated
- 2020-05-22
- Last updated
- 2024-01-30
- Certified
- 2024-01-30
Frequently asked questions
- What is Washington Marin Castro's NPI number?
- Washington Marin Castro's National Provider Identifier (NPI) is 1396368544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Washington Marin Castro's specialty?
- Washington Marin Castro is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Washington Marin Castro located?
- Washington Marin Castro's practice location on file with NPPES is 600 N Park St, Brenham, TX 77833.
- What is Washington Marin Castro's phone number?
- The practice phone number listed in the NPPES registry for Washington Marin Castro is (979) 337-5816.
- Does Washington Marin Castro accept Medicare?
- Washington Marin Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Washington Marin Castro's NPI active?
- Yes — Washington Marin Castro's NPI (1396368544) is active in the NPPES registry as of the last update on 2024-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.