Eryn Chastain, LCSW
NPI 1710570858 · Clinical Social Worker · San Antonio, TX
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eryn Chastain, LCSW is a Clinical Social Worker provider in San Antonio, TX (NPI 1710570858).
Provider details
- NPI number
- 1710570858
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 66541 (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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 109 Enterprise Pkwy Ste 203Boerne, TX 78006-8636Phone: (830) 755-2343
- 6040 Surety DrEl Paso, TX 79905-2043Phone: (915) 781-9900
Registry dates
- Enumerated
- 2021-02-19
- Last updated
- 2021-05-25
- Certified
- 2021-05-25
Frequently asked questions
- What is Eryn Chastain's NPI number?
- Eryn Chastain's National Provider Identifier (NPI) is 1710570858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eryn Chastain's specialty?
- Eryn Chastain is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Eryn Chastain located?
- Eryn Chastain's practice location on file with NPPES is 12915 Jones Maltsberger Rd Ste 201, San Antonio, TX 78247-4540.
- What is Eryn Chastain's phone number?
- The practice phone number listed in the NPPES registry for Eryn Chastain is (210) 664-2135.
- Does Eryn Chastain accept Medicare?
- Eryn Chastain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eryn Chastain's NPI active?
- Yes — Eryn Chastain's NPI (1710570858) is active in the NPPES registry as of the last update on 2021-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.