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

Diana Sierra

Individual provider Case Manager/Care Coordinator · NPI 1306235643

Diana Sierra is a Case Manager/Care Coordinator in Stockton, California. Registered with an NPI since 2015.

In the registry since
2015

Practice location Address checks out

900 E Oak St
Stockton, CA 95202-2204
Phone: (209) 468-9631
Show map & directions

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

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1306235643
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 9, 2015
Last updated in NPPESJanuary 9, 2015

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