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

Lydia Ruark, PHD

Individual provider Psychologist · NPI 1992103899

Lydia Ruark, PHD is a Psychologist in Los Angeles, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2014
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

3020 Castle Heights Ave
Los Angeles, CA 90034-2753
Phone: (310) 837-7979
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY10329 (CA)

Record details

NPI number1992103899
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 9, 2014
Last updated in NPPESDecember 9, 2014

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