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

MS. Barbara Hass, MSW

Individual provider Clinical Social Worker · NPI 1720009319

MS. Barbara Hass, MSW is a Clinical Social Worker in Tustin, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

2320 Cascade
Tustin, CA 92782-1039
Phone: (714) 368-3306
Fax: (714) 832-2229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFC 18751 (CA)
Clinical Social Worker Taxonomy 1041C0700X · Licence LCS 10335 (CA)

Record details

NPI number1720009319
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedJuly 21, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address2320 Cascade, Tustin, CA 92782-1039

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