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Tonja Diongson
NPI 1982853578 · Case Manager/Care Coordinator · Sacramento, CA
Tonja Diongson is a Case Manager/Care Coordinator provider in Sacramento, CA (NPI 1982853578).
Provider details
- NPI number
- 1982853578
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
811 Grand Ave Ste D
Sacramento, CA 95838-3466
Phone: (916) 922-9868
Fax: (916) 922-7342
Street-level locationGet directions
Mailing address
5836 Dudley Blvd Apt 226
Mcclellan, CA 95652-2436
Registry dates
- Enumerated
- 2008-09-18
- Last updated
- 2019-06-20
Frequently asked questions
- What is Tonja Diongson's NPI number?
- Tonja Diongson's National Provider Identifier (NPI) is 1982853578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tonja Diongson's specialty?
- Tonja Diongson is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Tonja Diongson located?
- Tonja Diongson's practice location on file with NPPES is 811 Grand Ave Ste D, Sacramento, CA 95838-3466.
- What is Tonja Diongson's phone number?
- The practice phone number listed in the NPPES registry for Tonja Diongson is (916) 922-9868.
- Is Tonja Diongson's NPI active?
- Yes — Tonja Diongson's NPI (1982853578) is active in the NPPES registry as of the last update on 2019-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.