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

Gregory Charles Wells, PHD

Individual provider Clinical Psychologist · NPI 1497900153

Gregory Charles Wells, PHD is a Clinical Psychologist in San Francisco, California. Practices as a sole proprietor. Licensed in California and Louisiana.

Licensed in
CA, LA
In the registry since
2008
Specialties on file
7
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

4257 18th St
San Francisco, CA 94114-2409
Phone: (415) 874-9226
Fax: (415) 874-9448
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 23440 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 1111 (LA)
School Psychologist Taxonomy 103TS0200X · Licence 1111 (LA)
Psychologist Taxonomy 103T00000X · Licence 23440 (CA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 23440 (CA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 23440 (CA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 1111 (LA)

Record details

NPI number1497900153
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 22, 2008
Last updated in NPPESApril 7, 2010

Other providers in San Francisco