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

Miss. Viviana Martinez, LCSW

Individual provider Clinical Social Worker · NPI 1245491885

Miss. Viviana Martinez, LCSW is a Clinical Social Worker in Ontario, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
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

1556 S Sultana Ave
Ontario, CA 91761-4238
Phone: (909) 418-6923
Fax: (909) 418-6937
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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 LCSW 60643 (CA)

Record details

NPI number1245491885
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJune 17, 2008
Last updated in NPPESMarch 17, 2025
Certification dateMarch 17, 2025

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