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

Dr. Robert Barry Drezner, PHD

Individual provider Clinical Psychologist · NPI 1699748202

Dr. Robert Barry Drezner, PHD is a Clinical Psychologist in Thousand Oaks, 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.

See every abbreviation used in this directory →

Practice location Address checks out

1456 Calle Colina
Thousand Oaks, CA 91360-6815
Phone: (805) 523-7429
Fax: (805) 523-8671
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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 6167 (CA)

Record details

NPI number1699748202
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 13, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1456 Calle Colina, Thousand Oaks, CA 91360-6815

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