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

Mary Kelso, Ph , D. Inc

Organization Clinical Psychologist · NPI 1164566881

Mary Kelso, Ph , D. Inc provides Clinical Psychologist services in Thousand Oaks, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

325 E Hillcrest Dr Ste 115
Thousand Oaks, CA 91360-5828 Not confirmed with CMS for 19 years — call before visiting
Phone: (805) 379-9600
Fax: (951) 245-0309
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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 PSY10466 (CA)

Record details

NPI number1164566881
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mary Kelso — Psychologist · (805) 379-9600
NPI enumeratedFebruary 16, 2007
Last updated in NPPESSeptember 28, 2007
Mailing addressPo Box 7251, Westlake Village, CA 91359-7251

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