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

Marianne G Davis, PHD

Individual provider Clinical Psychologist · NPI 1700530102

Marianne G Davis, PHD is a Clinical Psychologist in San Luis Obispo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2022
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

676 Pismo St
San Luis Obispo, CA 93401-3945
Phone: (805) 543-7969
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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 PSY19061 (CA)

Record details

NPI number1700530102
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 5, 2022
Last updated in NPPESFebruary 5, 2022
Certification dateFebruary 5, 2022

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