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

Roy Cannon Thomas, PHD

Individual provider Clinical Psychologist · NPI 1124494919

Roy Cannon Thomas, PHD is a Clinical Psychologist in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015
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

1777 Union St
San Francisco, CA 94123-4426
Phone: (415) 771-9999
Fax: (415) 771-9990
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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 PSY19283 (CA)

Record details

NPI number1124494919
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 15, 2015
Last updated in NPPESAugust 15, 2015

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