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

Dr. Shawn V Giammattei, PHD

Individual provider Clinical Psychologist · NPI 1255580973

Dr. Shawn V Giammattei, PHD is a Clinical Psychologist in Santa Rosa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
Specialties on file
7
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1049 4th St Ste G
Santa Rosa, CA 95404-4303
Phone: (415) 722-7134
Show map & directions

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

Specialties & licences

Family Psychologist (primary) Taxonomy 103TF0000X · Licence PSY 22570 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence PSY 22570 (CA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence PSY 22570 (CA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence PSY 22570 (CA)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence PSY 22570 (CA)
Group Psychotherapy Psychologist Taxonomy 103TP2701X · Licence PSY 22570 (CA)
Psychologist Taxonomy 103T00000X · Licence PSY 22570 (CA)

Record details

NPI number1255580973
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 17, 2008
Last updated in NPPESNovember 21, 2015

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