NPPES file of Aug 9, 2026

Judith Lynn Gustafson, FNP-C

Family Nurse Practitioner · Missoula, MT

Judith Lynn Gustafson, FNP-C is a family nurse practitioner with a practice address in Missoula, Montana, and NPI 1851554471, issued on Jul 3, 2008. Check the license (Montana NUR-APRN-LIC-100250, 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
1851554471
Name
Judith Lynn Gustafson
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
NUR-APRN-LIC-100250 MT
21661 MT
Self-reported in NPPES; status is on the state search
Practice location
500 W Broadway St, Missoula, MT 59802
Phone
(406) 543-7271
Enumerated
Jul 3, 2008
Record last updated
May 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090318000168); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 family nurse practitioner records → All 815 in Montana → Look up another NPI →

Also registered at 500 W Broadway St

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

  1. Travis Abicht, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1033239835
  2. Charles Acher, MDColon & Rectal Surgery Physician1033472519
  3. Ryan Adams, MDInternal Medicine Physician1790952653
  4. Bodee Alt, APRNFamily Nurse Practitioner1174993703
  5. Casey Ambrose, MDEmergency Medicine Physician1669892576
  6. Rebecca Anderson, MDInternal Medicine Physician1437173440

Verify Judith Lynn Gustafson 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 NUR-APRN-LIC-100250    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 one group practice

  1. Providence Health And Services MtMissoula, MT

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

Judith Lynn Gustafson among 815 family nurse practitioner records in Montana

Judith Lynn Gustafson, FNP-C is one of 815 family nurse practitioner records with a practice address in Montana. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 20% of them.

  • NPI issued2008 · 20% of these records are older, 77% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2006 · median 2018 among the 505 with a school on file
  • Record last updated2021 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

107 family nurse practitioner records list a practice address in Missoula

They are 107 of the 3,567 NPPES records with a practice address in Missoula, and 815 family nurse practitioner records in Montana.

All 815 in Montana → Every provider in Missoula → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Tina Barker, DNP, FNP, AGACNP-BCMissoula, MT 598021437381498
  2. Carol Enderle, NPMissoula, MT 598021992817233
  3. Sara Heineman, APRN FNPMissoula, MT 598021174850747
  4. Barbara Jacobson, FNPMissoula, MT 598021689804239
  5. Alicia Knecht, DNP, FNP-CMissoula, MT 598021164679916
  6. Amy Knight, NPMissoula, MT 598021225147226
  7. Virginia Lewis, ARNPMissoula, MT 598021528024007
  8. Laura Marx, RNMissoula, MT 598021366548604

Common questions

What is Judith Lynn Gustafson, FNP-C's NPI number?

Judith Lynn Gustafson, FNP-C's National Provider Identifier (NPI) is 1851554471, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Judith Lynn Gustafson, FNP-C located?

The NPPES record lists a practice address at 500 W Broadway St, Missoula, MT, 59802. Phone: (406) 543-7271. Providers update this record themselves, so call before visiting.

How can I verify Judith Lynn Gustafson, FNP-C's license?

NPPES lists Montana license number NUR-APRN-LIC-100250, 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.