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

Courtney Diffner, LCSW

Individual provider Clinical Social Worker · NPI 1063988293

Courtney Diffner, LCSW is a Clinical Social Worker in San Juan Capistrano, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2018
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

31815 Camino Capistrano Ste 28
San Juan Capistrano, CA 92675-3231
Phone: (949) 632-6625
Fax: (949) 493-1555
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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 27647 (CA)

Record details

NPI number1063988293
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 15, 2018
Last updated in NPPESOctober 15, 2018

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