Registry data as of Aug 27, 2026

Ann Brownback, LCSW

Clinical Social Worker · Libby, MT

Ann Brownback, LCSW is a clinical social worker with a practice address in Libby, Montana, and NPI 1376585737, issued on Jun 11, 2006. Check the license (Montana 338LCSW, as entered in NPPES) with the Montana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1376585737
Name
Ann Brownback
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
338LCSW MT
Self-reported in NPPES; status is on the state search
Practice location
415 Louisiana Ave, Libby, MT 59923
Phone
(406) 293-4329
Enumerated
Jun 11, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 415 Louisiana Ave

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

  1. Mavis Vaillancourt, LCSW, LACClinical Social Worker1134139058

Verify Ann Brownback 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 338LCSW
    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.

14 clinical social worker records list a Libby practice address

They are 14 of the 139 NPPES records with a Libby practice address, and 1,428 clinical social worker records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Montana

  1. Maria Isabel AbbitHelena, MT1427927128
  2. Shawn Abbott, LCSWGreat Falls, MT1316900368
  3. Emily AertsBillings, MT1154894186
  4. Roula Agne, LCSWMissoula, MT1285057232
  5. Kristin Airhart, LCSWMissoula, MT1285895839
  6. Russell Akard, LCSWBillings, MT1699623777
  7. Shaunda Albert, LAC, MAC, LCSWPolson, MT1912407198
  8. James Alcoke, LCSWBozeman, MT1174287544
  9. Daisy AlexanderMissoula, MT1336941558
  10. Tammy Ali-Carr, LCSWMalmstrom Afb, MT1992353759

Common questions

What is Ann Brownback, LCSW's NPI number?

Ann Brownback, LCSW's National Provider Identifier (NPI) is 1376585737, issued on Jun 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ann Brownback, LCSW located?

The NPPES record lists a practice address at 415 Louisiana Ave, Libby, MT, 59923. Phone: (406) 293-4329. Providers update this record themselves, so call before visiting.

How can I verify Ann Brownback, LCSW's license?

NPPES lists Montana license number 338LCSW, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.