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

Mr. Louis Ray Barnett, PHD

Individual provider Clinical Psychologist · NPI 1619152881

Mr. Louis Ray Barnett, PHD is a Clinical Psychologist in Upland, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
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

954 W Foothill Blvd Ste A
Upland, CA 91786-3782
Phone: (909) 946-4222
Fax: (909) 946-8293
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY5876 (CA)

Record details

NPI number1619152881
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 7, 2008
Last updated in NPPESJanuary 7, 2008

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