IndividualActive
Robert Williams II, ACSW
NPI 1093501231 · Social Worker · San Francisco, CA
Robert Williams II, ACSW is a Social Worker provider in San Francisco, CA (NPI 1093501231).
Provider details
- NPI number
- 1093501231
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- ACSW
- Sex
- Male
- Sole proprietor
- No
- License
- 92866 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
1309 Evans Ave
San Francisco, CA 94124-1705
Phone: (628) 754-9856
Street-level locationGet directions
Mailing address
1309 Evans Ave
San Francisco, CA 94124-1705
Registry dates
- Enumerated
- 2025-04-15
- Last updated
- 2025-04-16
- Certified
- 2025-04-16
Frequently asked questions
- What is Robert Williams II's NPI number?
- Robert Williams II's National Provider Identifier (NPI) is 1093501231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Williams II's specialty?
- Robert Williams II is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Robert Williams II located?
- Robert Williams II's practice location on file with NPPES is 1309 Evans Ave, San Francisco, CA 94124-1705.
- What is Robert Williams II's phone number?
- The practice phone number listed in the NPPES registry for Robert Williams II is (628) 754-9856.
- Is Robert Williams II's NPI active?
- Yes — Robert Williams II's NPI (1093501231) is active in the NPPES registry as of the last update on 2025-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.