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

Joshua Simpson

Individual provider Clinical Social Worker · NPI 1104350792

Joshua Simpson is a Clinical Social Worker in Walnut, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2017
Specialties on file
4
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Practice location Address checks out

340 S Lemon Ave Ste 9892
Walnut, CA 91789-2706
Phone: (415) 403-2156
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 801 E Chapman Ave, Fullerton, CA 92831-3839 — (714) 680-9000

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCSW118202 (CA)
Clinical Social Worker Taxonomy 1041C0700X · Licence ASW97971 (CA)
Case Manager/Care Coordinator Taxonomy 171M00000X
Rehabilitation Practitioner Taxonomy 225400000X

Record details

NPI number1104350792
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 20, 2017
Last updated in NPPESJuly 25, 2025
Certification dateJuly 25, 2025
Mailing addressPo Box 14824, Long Beach, CA 90853-4824

Other providers in Walnut