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

Dr. Derek Kuon-Ta Hsieh, PHD, LCSW

Individual provider Clinical Social Worker · NPI 1346323128

Dr. Derek Kuon-Ta Hsieh, PHD, LCSW is a Clinical Social Worker in Torrance, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

1000 W Carson St Bldg D2
Torrance, CA 90502-2004
Phone: (310) 222-3129
Fax: (310) 533-8019
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS21367 (CA)

Record details

NPI number1346323128
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , LCSW
Sole proprietorYes
NPI enumeratedOctober 23, 2006
Last updated in NPPESJuly 8, 2007

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