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

Mary J O'Connor, PHD

Individual provider Psychologist · NPI 1245265792

Mary J O'Connor, PHD is a Psychologist in Los Angeles, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
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

300 Medical Plz
Los Angeles, CA 90095-0001
Phone: (310) 825-9989
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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 PSY6859 (CA)
Psychologist Taxonomy 103T00000X · Licence PSY6859 (CA)

Record details

NPI number1245265792
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESJuly 19, 2026
Certification dateAugust 8, 2024

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