Individual provider · Type 1 NPI

Matthew Thomas Hennessy, PSYD

Group Psychotherapy Psychologist · Atascadero, CA

NPI number 1336191576 Active

Practice location

10333 El Camino Real
Atascadero, CA 93423-7001

Fax (805) 466-6011

Mailing address

1600 9th St, Room 205 Mailstop 2-3
Sacramento, CA 95814-6414

Specialties and licenses

TaxonomyCodeLicense
Cognitive & Behavioral Psychologist 103TB0200XPSY17421 (CA)
Clinical Psychologist 103TC0700XPSY17421 (CA)
Counseling Psychologist 103TC1900XPSY17421 (CA)
Forensic Psychologist 103TF0200XPSY17421 (CA)
Psychologist 103T00000XPSY17421 (CA)
Group Psychotherapy Psychologist Primary 103TP2701XPSY17421 (CA)

Group Psychotherapy Psychologist: A psychologist who specializes in group psychology and group psychotherapy that is an evidenced-based specialty that prepares group leaders to identify and capitalize on developmental and healing possibilities embedded in the interpersonal/intrapersonal functioning of individual group members as well as collectively for the group. Emphasis is placed on the use of group dynamics to assist and treat individual group m…

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About NPI 1336191576

Matthew Thomas Hennessy, PSYD's National Provider Identifier is 1336191576, issued on May 16, 2006. The primary taxonomy on file is Group Psychotherapy Psychologist (103TP2701X), and the practice location is in Atascadero, CA. The record was last updated on Jul 13, 2026.