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

MS. Gail R Tonnessen, MSW

Individual provider Clinical Social Worker · NPI 1427194737

MS. Gail R Tonnessen, MSW is a Clinical Social Worker in Providence, Rhode Island. Practices as a sole proprietor. Licensed in Massachusetts and Rhode Island.

Licensed in
MA, RI
In the registry since
2007
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

331 Broadway
Providence, RI 02909-1101
Phone: (401) 455-0799
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence ISW00626 (RI)
Clinical Social Worker Taxonomy 1041C0700X · Licence 107775 (MA)

Record details

NPI number1427194737
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedJanuary 30, 2007
Last updated in NPPESJuly 8, 2007

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