Esther Castro, LCSW
NPI 1518471051 · Clinical Social Worker · San Antonio, TX
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Esther Castro, LCSW is a Clinical Social Worker provider in San Antonio, TX (NPI 1518471051).
Provider details
- NPI number
- 1518471051
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 51745 (TX)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2017-11-20
- Last updated
- 2017-11-20
Frequently asked questions
- What is Esther Castro's NPI number?
- Esther Castro's National Provider Identifier (NPI) is 1518471051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Esther Castro's specialty?
- Esther Castro is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Esther Castro located?
- Esther Castro's practice location on file with NPPES is 4045 Broadway St, San Antonio, TX 78209-6313.
- What is Esther Castro's phone number?
- The practice phone number listed in the NPPES registry for Esther Castro is (713) 850-0049.
- Does Esther Castro accept Medicare?
- Esther Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Esther Castro's NPI active?
- Yes — Esther Castro's NPI (1518471051) is active in the NPPES registry as of the last update on 2017-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.