Jack Clark, LCSW
NPI 1841311487 · Clinical Social Worker · San Antonio, TX
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Clark, LCSW is a Clinical Social Worker provider in San Antonio, TX (NPI 1841311487).
Provider details
- NPI number
- 1841311487
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 36151 (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
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
- 2007-04-02
- Last updated
- 2021-05-24
- Certified
- 2021-05-12
Frequently asked questions
- What is Jack Clark's NPI number?
- Jack Clark's National Provider Identifier (NPI) is 1841311487, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Clark's specialty?
- Jack Clark is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jack Clark located?
- Jack Clark's practice location on file with NPPES is 7711 Madonna, San Antonio, TX 78216-6620.
- What is Jack Clark's phone number?
- The practice phone number listed in the NPPES registry for Jack Clark is (210) 377-1133.
- Does Jack Clark accept Medicare?
- Jack Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Clark's NPI active?
- Yes — Jack Clark's NPI (1841311487) is active in the NPPES registry as of the last update on 2021-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.