IndividualActive
John Tonningsen
NPI 1770152290 · Case Manager/Care Coordinator · Napa, CA
John Tonningsen is a Case Manager/Care Coordinator provider in Napa, CA (NPI 1770152290).
Provider details
- NPI number
- 1770152290
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
2751 Napa Valley Corporate Dr Bldg B
Napa, CA 94558-6216
Phone: (707) 210-2437
Street-level locationGet directions
Mailing address
324 Green St
Martinez, CA 94553-2362
Registry dates
- Enumerated
- 2021-06-19
- Last updated
- 2021-06-19
- Certified
- 2021-06-19
Frequently asked questions
- What is John Tonningsen's NPI number?
- John Tonningsen's National Provider Identifier (NPI) is 1770152290, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Tonningsen's specialty?
- John Tonningsen is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is John Tonningsen located?
- John Tonningsen's practice location on file with NPPES is 2751 Napa Valley Corporate Dr Bldg B, Napa, CA 94558-6216.
- What is John Tonningsen's phone number?
- The practice phone number listed in the NPPES registry for John Tonningsen is (707) 210-2437.
- Is John Tonningsen's NPI active?
- Yes — John Tonningsen's NPI (1770152290) is active in the NPPES registry as of the last update on 2021-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.