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 is a Clinical Psychologist 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
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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