Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Williams Psychological Services Inc

Organization Clinical Psychologist · NPI 1780339952

Williams Psychological Services Inc provides Clinical Psychologist services in San Francisco, California. Registered with an NPI since 2022.

In the registry since
2022
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3323 Sacramento St
San Francisco, CA 94118-1911
Phone: (650) 485-1007
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X

Record details

NPI number1780339952
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Christian Williams — President · (650) 485-1007
NPI enumeratedFebruary 16, 2022
Last updated in NPPESJuly 17, 2024
Certification dateJuly 17, 2024
Mailing address870 Market St Ste 953, San Francisco, CA 94102-2912

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