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

Individual provider Clinical Social Worker · NPI 1861763518

Sonia Guilfoos, MSW is a Clinical Social Worker in San Bernardino, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2012
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

1950 Sunwest Ln
San Bernardino, CA 92415-0019
Phone: (909) 252-4010
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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 76910 (CA)

Record details

NPI number1861763518
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedJanuary 25, 2012
Last updated in NPPESMay 30, 2017

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