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

Mrs. Josephine Guillen Williams

Individual provider Case Manager/Care Coordinator · NPI 1033253646

Mrs. Josephine Guillen Williams is a Case Manager/Care Coordinator in San Bernardino, California. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
Specialties on file
2

Practice location Address checks out

700 E Gilbert St
San Bernardino, CA 92415-1003
Phone: (909) 386-0787
Show map & directions

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

Specialties & licences

Rehabilitation Practitioner (primary) Taxonomy 225400000X
Case Manager/Care Coordinator Taxonomy 171M00000X

Record details

NPI number1033253646
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedFebruary 16, 2007
Last updated in NPPESMay 8, 2025
Certification dateMay 8, 2025

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