NPPES file of Aug 9, 2026

Mary Frances Elizabeth Thornton, LCSW

Clinical Social Worker · Belgrade, MT

Mary Frances Elizabeth Thornton, LCSW is a clinical social worker with a practice address in Belgrade, Montana, and NPI 1538626791, issued on Feb 25, 2019. Check the license (Montana BBH-LCSW-LIC-42767, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538626791
Name
Mary Frances Elizabeth Thornton
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
BBH-LCSW-LIC-42767 MT
CSW007456 GA
Self-reported in NPPES; status is on the state search
Practice location
19 E Main St, Belgrade, MT 59714
Phone
(406) 924-5754
Enumerated
Feb 25, 2019
Record last updated
Feb 2, 2026
Medicare enrollment
Enrolled (PECOS I20260317001835); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 1,589 in Montana → Look up another NPI →

Also registered at 19 E Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Andersen, D.M.D.Dentist1023276862
  2. Amy Berghold, NPFamily Nurse Practitioner1326379694
  3. Kirsti HahnNurse Practitioner1003522152
  4. Lexie Haslem, LCPCMental Health Counselor1912516147
  5. Billy KefferMental Health Counselor1689132037
  6. Deborah KernFamily Nurse Practitioner1205056637

Verify Mary Frances Elizabeth Thornton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license BBH-LCSW-LIC-42767    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Bighorn Valley Health Center IncorporatedBelgrade, MT
  2. Community Health Partners IncBelgrade, MT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Frances Elizabeth Thornton among 1,589 clinical social worker records in Montana

Mary Frances Elizabeth Thornton, LCSW is one of 1,589 clinical social worker records with a practice address in Montana. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 55% of them.

  • NPI issued2019 · 55% of these records are older, 40% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 32% of these records are
  • Graduated2017 · median 2013 among the 511 with a school on file
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 clinical social worker records list a practice address in Belgrade

They are 12 of the 206 NPPES records with a practice address in Belgrade, and 1,589 clinical social worker records in Montana.

All 1,589 in Montana → Every provider in Belgrade → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Katie Ball, LCSWBelgrade, MT 597141538648787
  2. Angelique Coleman, SWLCBelgrade, MT 597141851909451
  3. Lisa Featherstone, L.C.S.W.Belgrade, MT 597141053501718
  4. Alexia Fregoso, LCSWBelgrade, MT 597141598215014
  5. Katy Fritz, LCSWBelgrade, MT 597141851842090
  6. Logan Shrader, LCSWBelgrade, MT 597141417639352
  7. Tessa Slominski, LCSWBelgrade, MT 597141386197796
  8. Melaney Swenson, LCSWBelgrade, MT 597141750666871

Common questions

What is Mary Frances Elizabeth Thornton, LCSW's NPI number?

Mary Frances Elizabeth Thornton, LCSW's National Provider Identifier (NPI) is 1538626791, issued on Feb 25, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Mary Frances Elizabeth Thornton, LCSW located?

The NPPES record lists a practice address at 19 E Main St, Belgrade, MT, 59714. Phone: (406) 924-5754. Providers update this record themselves, so call before visiting.

How can I verify Mary Frances Elizabeth Thornton, LCSW's license?

NPPES lists Montana license number BBH-LCSW-LIC-42767, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.