IndividualActive
William Williams
NPI 1609757566 · Clinical Social Worker · Fair Oaks, CA
William Williams is a Clinical Social Worker provider in Fair Oaks, CA (NPI 1609757566).
Provider details
- NPI number
- 1609757566
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- ASW133152 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 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
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
8005 Sacramento St
Fair Oaks, CA 95628-7583
Phone: (916) 877-6894
Street-level locationGet directions
Mailing address
8005 Sacramento St
Fair Oaks, CA 95628-7583
Registry dates
- Enumerated
- 2025-09-09
- Last updated
- 2025-09-09
- Certified
- 2025-09-09
Frequently asked questions
- What is William Williams's NPI number?
- William Williams's National Provider Identifier (NPI) is 1609757566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Williams's specialty?
- William Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Williams located?
- William Williams's practice location on file with NPPES is 8005 Sacramento St, Fair Oaks, CA 95628-7583.
- What is William Williams's phone number?
- The practice phone number listed in the NPPES registry for William Williams is (916) 877-6894.
- Is William Williams's NPI active?
- Yes — William Williams's NPI (1609757566) is active in the NPPES registry as of the last update on 2025-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.