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

Mr. Matthew David Arnold, PSYD

Individual provider Psychologist · NPI 1083378491

Mr. Matthew David Arnold, PSYD is a Psychologist in Atascadero, California. Works from 3 locations. Licensed in California.

Licensed in
CA
In the registry since
2021
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

11708 Sinnard Ln
Atascadero, CA 93422-6018
Phone: (360) 907-6872
Show map & directions

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

Additional practice locations (2)

  • 10333 El Camino Real, Atascadero, CA 93422-5808 — (805) 462-2882
  • 650 Joel Dr, Fort Campbell, KY 42223-5318 — (360) 907-6872

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY35896 (CA)

Record details

NPI number1083378491
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorNo
NPI enumeratedOctober 22, 2021
Last updated in NPPESDecember 5, 2025
Certification dateDecember 5, 2025
Mailing address11708 Sinnard Ln, Atascadero, CA 93422-6018

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