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

Matthew Thomas Hennessy, PSYD

Individual provider Cognitive & Behavioral Psychologist · NPI 1336191576

Matthew Thomas Hennessy, PSYD is a Cognitive & Behavioral Psychologist in Atascadero, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
6
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

10333 El Camino Real
Atascadero, CA 93423-7001
Phone: (805) 468-2000
Fax: (805) 466-6011
Show map & directions

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

Specialties & licences

Group Psychotherapy Psychologist (primary) Taxonomy 103TP2701X · Licence PSY17421 (CA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence PSY17421 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence PSY17421 (CA)
Counseling Psychologist Taxonomy 103TC1900X · Licence PSY17421 (CA)
Forensic Psychologist Taxonomy 103TF0200X · Licence PSY17421 (CA)
Psychologist Taxonomy 103T00000X · Licence PSY17421 (CA)

Record details

NPI number1336191576
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedMay 16, 2006
Last updated in NPPESJuly 13, 2026

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