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 is a Clinical Psychologist 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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