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

Dr. Gregory Gerard Gurnick, PHD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1316187743

Dr. Gregory Gerard Gurnick, PHD is an Addiction (Substance Use Disorder) Psychologist in Berkeley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
Specialties on file
7
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

2007 Hopkins St
Berkeley, CA 94707-2406
Phone: (510) 843-5516
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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 PSY12636 (CA)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence PSY12636 (CA)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence PSY12636 (CA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence PSY12636 (CA)
Family Psychologist Taxonomy 103TF0000X · Licence PSY12636 (CA)
Psychoanalysis Psychologist Taxonomy 103TP0814X · Licence PSY12636 (CA)
Group Psychotherapy Psychologist Taxonomy 103TP2701X · Licence PSY12636 (CA)

Record details

NPI number1316187743
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 25, 2009
Last updated in NPPESJanuary 24, 2011

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