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

Individual provider Clinical Psychologist · NPI 1316271125

John Dwight Maris, PHD is a Clinical Psychologist in San Francisco, 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.

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Practice location Address checks out

3232 21st St Apt 11
San Francisco, CA 94110-2435
Phone: (415) 676-0632
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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 PSY22350 (CA)

Record details

NPI number1316271125
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 25, 2009
Last updated in NPPESSeptember 25, 2009

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