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

Dr. Alan Harry Berkowitz, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1639378516

Dr. Alan Harry Berkowitz, PHD is a Cognitive & Behavioral Psychologist in Calabasas, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
Specialties on file
2
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

5000 Parkway Calabasas Ste 218
Calabasas, CA 91302-1400
Phone: (818) 223-8670
Fax: (818) 223-9317
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY5957 (CA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence PSY5957 (CA)

Record details

NPI number1639378516
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 12, 2007
Last updated in NPPESOctober 27, 2007
Mailing address5000 North Parkway Calabasas, Suite 218, Calabasas, CA 91302-1400

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