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

Mr. Mosi Williams, PSYD

Individual provider Clinical Social Worker · NPI 1134648041

Mr. Mosi Williams, PSYD is a Clinical Social Worker in San Francisco, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2017
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

400 Parnassus Ave Fl 4
San Francisco, CA 94143-2202
Phone: (415) 476-4170
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1179 N McDowell Blvd, Petaluma, CA 94954-6559 — (707) 559-7500

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 114259 (CA)

Record details

NPI number1134648041
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedSeptember 12, 2017
Last updated in NPPESMarch 31, 2023
Certification dateMarch 31, 2023

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