IndividualActive
Josephine Williams
NPI 1548198211 · Clinical Social Worker · Fullerton, CA
Josephine Williams is a Clinical Social Worker provider in Fullerton, CA (NPI 1548198211).
Provider details
- NPI number
- 1548198211
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(46/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
244 E Valencia Dr
Fullerton, CA 92832-2440
Phone: (714) 447-7590
Street-level locationGet directions
Mailing address
23421 S Pointe Dr Ste 130
Laguna Hills, CA 92653-1554
Registry dates
- Enumerated
- 2026-05-12
- Last updated
- 2026-05-12
- Certified
- 2026-05-12
Frequently asked questions
- What is Josephine Williams's NPI number?
- Josephine Williams's National Provider Identifier (NPI) is 1548198211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josephine Williams's specialty?
- Josephine Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Josephine Williams located?
- Josephine Williams's practice location on file with NPPES is 244 E Valencia Dr, Fullerton, CA 92832-2440.
- What is Josephine Williams's phone number?
- The practice phone number listed in the NPPES registry for Josephine Williams is (714) 447-7590.
- Is Josephine Williams's NPI active?
- Yes — Josephine Williams's NPI (1548198211) is active in the NPPES registry as of the last update on 2026-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.