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.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1036 Sir Francis Drake Blvd
Kentfield, CA 94904-1427
Phone: (415) 721-7290
Fax: (415) 721-7290
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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
Mailing addressPo Box 678, Corte Madera, CA 94976-0678

Other providers in Kentfield