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

Catherine Hsieh, PHD

Individual provider Psychologist · NPI 1245665918

Catherine Hsieh, PHD is a Psychologist in Torrance, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2013
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

2601 Airport Dr Ste 135
Torrance, CA 90505-6140
Phone: (424) 201-1600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 25924 (CA)

Record details

NPI number1245665918
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 12, 2013
Last updated in NPPESSeptember 12, 2013
Mailing address2601 Airport Dr, Suite 135, Torrance, CA 90505-6140

Other providers in Torrance