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

Dr. William Scott Gerwin, PHD

Individual provider Psychologist · NPI 1144469941

Dr. William Scott Gerwin, PHD is a Psychologist in Kentfield, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1036 Sir Francis Drake Blvd
Kentfield, CA 94904-1427
Phone: (415) 721-7290
Fax: (415) 721-7290
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY18405 (CA)

Record details

NPI number1144469941
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 18, 2009
Last updated in NPPESFebruary 18, 2009

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