Williams Psychological Services Inc
NPI 1780339952 · Clinical Psychologist · San Francisco, CA
Williams Psychological Services Inc is a Clinical Psychologist organization in San Francisco, CA (NPI 1780339952).
Provider details
- NPI number
- 1780339952
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Christian Williams, President(650) 485-1007
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
4 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
- 2022-02-16
- Last updated
- 2024-07-17
- Certified
- 2024-07-17
Frequently asked questions
- What is Williams Psychological Services Inc's NPI number?
- Williams Psychological Services Inc's National Provider Identifier (NPI) is 1780339952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Williams Psychological Services Inc?
- Williams Psychological Services Inc is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Williams Psychological Services Inc located?
- Williams Psychological Services Inc's practice location on file with NPPES is 3323 Sacramento St, San Francisco, CA 94118-1911.
- What is Williams Psychological Services Inc's phone number?
- The practice phone number listed in the NPPES registry for Williams Psychological Services Inc is (650) 485-1007.
- Who is the authorized official for Williams Psychological Services Inc?
- The authorized official listed on Williams Psychological Services Inc's NPPES record is Christian Williams, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Williams Psychological Services Inc's NPI active?
- Yes — Williams Psychological Services Inc's NPI (1780339952) is active in the NPPES registry as of the last update on 2024-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.