Gail Tonnessen, MSW
NPI 1427194737 · Clinical Social Worker · Providence, RI
Gail Tonnessen, MSW is a Clinical Social Worker provider in Providence, RI (NPI 1427194737).
Provider details
- NPI number
- 1427194737
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- ISW00626 (RI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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
Mailing address
Registry dates
- Enumerated
- 2007-01-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gail Tonnessen's NPI number?
- Gail Tonnessen's National Provider Identifier (NPI) is 1427194737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gail Tonnessen's specialty?
- Gail Tonnessen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gail Tonnessen located?
- Gail Tonnessen's practice location on file with NPPES is 331 Broadway, Providence, RI 02909-1101.
- What is Gail Tonnessen's phone number?
- The practice phone number listed in the NPPES registry for Gail Tonnessen is (401) 455-0799.
- Is Gail Tonnessen's NPI active?
- Yes — Gail Tonnessen's NPI (1427194737) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.