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

Dr. Mark Allan Fish, PHD

Individual provider Clinical Psychologist · NPI 1598878803

Dr. Mark Allan Fish, PHD is a Clinical Psychologist in Los Angeles, California. Licensed in California. Registered with an NPI since 2006.

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

2355 Westwood Blvd #717
Los Angeles, CA 90064
Phone: (310) 339-6405
Fax: (310) 645-9531
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY5501 (CA)

Record details

NPI number1598878803
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 17, 2006
Last updated in NPPESMay 14, 2025

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