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

Individual provider Clinical Psychologist · NPI 1922382894

Dr. William L Zahn, PSYD is a Clinical Psychologist in Emeryville, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
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

1335 Stanford Ave
Emeryville, CA 94608-2536
Phone: (909) 227-1399
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY24256 (CA)

Record details

NPI number1922382894
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedOctober 10, 2011
Last updated in NPPESJanuary 12, 2015

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