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

Dr. Tim Alan Gergen, PHD

Individual provider Clinical Psychologist · NPI 1215054010

Dr. Tim Alan Gergen, PHD is a Clinical Psychologist in Irvine, California. Qualified in 1984, 42 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
42
Licensed in
CA
In the registry since
2007
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

2192 Martin Ste 125
Irvine, CA 92612-1428
Phone: (949) 851-8001
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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 PSY9765 (CA)

Record details

NPI number1215054010
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 25, 2007
Last updated in NPPESJuly 8, 2007
Mailing address26391 Ganiza, Mission Viejo, CA 92692-3259

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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