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

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