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

Twila B. Clark, PHD

Individual provider Clinical Psychologist · NPI 1689927824

Twila B. Clark, PHD is a Clinical Psychologist in Irvine, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2012
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

17595 Harvard Ave Ste C
Irvine, CA 92614-8522
Phone: (714) 615-9308
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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 PSY 22187 (CA)

Record details

NPI number1689927824
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 25, 2012
Last updated in NPPESOctober 25, 2012
Mailing address17595 Harvard Ave Ste C, Irvine, CA 92614-8522

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