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

Marissa M Diaz, LCSW, PPSC

Individual provider School Social Worker · NPI 1902579030

Marissa M Diaz, LCSW, PPSC is a School Social Worker in Garden Grove, California. Works from 5 locations. Licensed in California.

Licensed in
CA
In the registry since
2021
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

10331 Stanford Ave
Garden Grove, CA 92840-6351
Phone: (714) 663-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 947 S Anaheim Blvd Ste 260, Anaheim, CA 92805-5591 — (714) 247-0300
  • 1100b N Tustin Ave Ste A, Santa Ana, CA 92705-3505 — (714) 247-0300
  • 14642 Newport Ave Ste 200, Tustin, CA 92780-6058 — (714) 247-0300
  • 1 Hope Dr, Tustin, CA 92782-0221 — (714) 247-0300

Specialties & licences

School Social Worker (primary) Taxonomy 1041S0200X · Licence 122024 (CA)

Record details

NPI number1902579030
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , PPSC
Sole proprietorNo
NPI enumeratedJuly 26, 2021
Last updated in NPPESMay 18, 2026
Certification dateMay 18, 2026

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