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

Individual provider Psychologist · NPI 1568611085

Dr. William John Hanna, PSYD is a Psychologist in San Rafael, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
Specialties on file
3
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

123 N San Pedro Rd
San Rafael, CA 94903-4271
Phone: (415) 507-1727
Fax: (415) 785-8576
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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 PSY22136 (CA)
Psychologist Taxonomy 103T00000X · Licence PSY22136 (CA)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence PSY22136 (CA)

Record details

NPI number1568611085
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedSeptember 9, 2008
Last updated in NPPESSeptember 9, 2008

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