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

Dr. Donald Williams, PSYD

Individual provider Psychologist · NPI 1396132528

Dr. Donald Williams, PSYD is a Psychologist in Palo Alto, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015
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

451 Lytton Ave
Palo Alto, CA 94301-1535
Phone: (650) 327-7446
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY 12484 (CA)

Record details

NPI number1396132528
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedApril 27, 2015
Last updated in NPPESApril 27, 2015

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