Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. William Albert Thomas Sr., PHD

Individual provider Clinical Psychologist · NPI 1396895124

Dr. William Albert Thomas Sr., PHD is a Clinical Psychologist in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

450 Winston Dr Apt 101
San Francisco, CA 94132-1729
Phone: (415) 566-2621
Fax: (415) 664-1865
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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 PSY8611 (CA)

Record details

NPI number1396895124
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 12, 2007
Last updated in NPPESJuly 8, 2007

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