Jefferson Hall
NPI 1629557921 · Clinical Social Worker · Westlake Village, CA
Jefferson Hall is a Clinical Social Worker provider in Westlake Village, CA (NPI 1629557921).
Provider details
- NPI number
- 1629557921
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 117923 (CA)
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
7 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
- 2018-08-08
- Last updated
- 2026-03-04
- Certified
- 2026-03-04
Frequently asked questions
- What is Jefferson Hall's NPI number?
- Jefferson Hall's National Provider Identifier (NPI) is 1629557921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jefferson Hall's specialty?
- Jefferson Hall is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jefferson Hall located?
- Jefferson Hall's practice location on file with NPPES is 650 Hampshire Rd Ste 212, Westlake Village, CA 91361-2543.
- What is Jefferson Hall's phone number?
- The practice phone number listed in the NPPES registry for Jefferson Hall is (805) 601-6700.
- Is Jefferson Hall's NPI active?
- Yes — Jefferson Hall's NPI (1629557921) is active in the NPPES registry as of the last update on 2026-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.