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

Dr. Diane Joan Sommers, PHD

Individual provider Psychologist · NPI 1801940994

Dr. Diane Joan Sommers, PHD is a Psychologist in Davis, 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

1260 Lake Blvd Ste 217
Davis, CA 95616-2614
Phone: (530) 297-7757
Fax: (530) 756-4896
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY15374 (CA)

Record details

NPI number1801940994
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 23, 2007
Last updated in NPPESJuly 8, 2007

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