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

Margaret L Diaz, LCSW

Individual provider Clinical Social Worker · NPI 1205234044

Margaret L Diaz, LCSW is a Clinical Social Worker in Tustin, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2014
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

17461 Irvine Blvd Ste D
Tustin, CA 92780-3034
Phone: (940) 303-9015
Fax: (714) 200-0571
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS26902 (CA)

Record details

NPI number1205234044
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedDecember 10, 2014
Last updated in NPPESDecember 10, 2014

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