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

MS. Tonja Suzanne Diongson

Individual provider Case Manager/Care Coordinator · NPI 1982853578

MS. Tonja Suzanne Diongson is a Case Manager/Care Coordinator in Sacramento, California. Practices as a sole proprietor. Registered with an NPI since 2008.

In the registry since
2008

Practice location Address checks out

811 Grand Ave Ste D
Sacramento, CA 95838-3466
Phone: (916) 922-9868
Fax: (916) 922-7342
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 number1982853578
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedSeptember 18, 2008
Last updated in NPPESJune 20, 2019

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