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

Erin M Osanna-Barba, LCSW

Individual provider Clinical Social Worker · NPI 1639752686

Erin M Osanna-Barba, LCSW is a Clinical Social Worker in Castro Valley, California. Practices as a sole proprietor and works from 2 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

7333 Longmont Loop
Castro Valley, CA 94552-5268
Phone: (925) 233-5880
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 425 El Pintado Rd Ste 168, Danville, CA 94526-1848 — (925) 233-5880

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 101251 (CA)

Record details

NPI number1639752686
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedApril 28, 2021
Last updated in NPPESApril 28, 2021
Certification dateApril 28, 2021

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