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

Jillian Hynynen, LCSW

Individual provider Clinical Social Worker · NPI 1558196428

Jillian Hynynen, LCSW is a Clinical Social Worker in Tustin, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2024
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

17541 Irvine Blvd Ste E
Tustin, CA 92780-3158
Phone: (949) 237-2925
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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 117609 (CA)

Record details

NPI number1558196428
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedSeptember 3, 2024
Last updated in NPPESJune 19, 2025
Certification dateJune 19, 2025

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