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

Dr. William Martin Ralph, PHD

Individual provider Clinical Psychologist · NPI 1295796233

Dr. William Martin Ralph, PHD is a Clinical Psychologist in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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 →

Practice location Address checks out

801 Portola Dr #208
San Francisco, CA 94127
Phone: (415) 515-2261
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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 PSY11009 (CA)

Record details

NPI number1295796233
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedMarch 29, 2006
Last updated in NPPESJuly 13, 2026

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