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

Individual provider Clinical Social Worker · NPI 1740598788

Nancy Thorson, LCSW is a Clinical Social Worker in Billings, Montana. Qualified in 1998, 28 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
28
Licensed in
MT
In the registry since
2010
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

225 N 23rd St
Billings, MT 59101-2223
Phone: (406) 252-1177
Fax: (406) 252-1176
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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 660 (MT)

Record details

NPI number1740598788
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedSeptember 23, 2010
Last updated in NPPESSeptember 23, 2010
Mailing address1008 Saint Johns Ave, Billings, MT 59102-5808

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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