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

Dr. Katherine Ko, PHD

Individual provider Clinical Psychologist · NPI 1871524546

Dr. Katherine Ko, PHD is a Clinical Psychologist in Irvine, California. Licensed in California. Registered with an NPI since 2006.

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.

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Practice location Address checks out

4000 Barranca Pkwy Ste 250
Irvine, CA 92604-1713
Phone: (949) 262-3696
Fax: (949) 262-3299
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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 PSY18545 (CA)

Record details

NPI number1871524546
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESJuly 8, 2007

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