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

Individual provider Clinical Social Worker · NPI 1841415148

Oscar Villarreal Villasimon, LCSW is a Clinical Social Worker in Palo Alto, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

451 Lytton Ave
Palo Alto, CA 94301-1535
Phone: (714) 604-7834
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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 LCS 26505 (CA)

Record details

NPI number1841415148
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedApril 13, 2007
Last updated in NPPESApril 14, 2014

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