NPPES file of Aug 9, 2026

Courtney Leigh Miller, CNP

Nurse Practitioner · Sidney, MT

Courtney Leigh Miller, CNP is a nurse practitioner with a practice address in Sidney, Montana, and NPI 1386596153, issued on Feb 12, 2026. Check the license (Montana NUR-APRN-LIC-286292, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386596153
Name
Courtney Leigh Miller
Credential
CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
NUR-APRN-LIC-286292 MT
Self-reported in NPPES; status is on the state search
Practice location
214 14TH Ave SW, Sidney, MT 59270
Phone
(406) 488-2504
Enumerated
Feb 12, 2026
Record last updated
Feb 12, 2026
Fax
(406) 488-2553
Medicare enrollment
Enrolled (PECOS I20260408001836); 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 nurse practitioner records → All 287 in Montana → Look up another NPI →

Also registered at 214 14TH Ave SW

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

  1. Ashley Anderson, AUDAudiologist1679734537
  2. Brett Bennion, MDOtolaryngology Physician1275616104
  3. Edward Bergin, MDSurgery Physician1902980907
  4. Patricia Cantrell, PACSurgical Physician Assistant1386634491
  5. John Carey, MDSurgery Physician1689667115
  6. Orin Council, MD PCFamily Medicine Physician1740326859

Verify Courtney Leigh Miller 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-286292    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

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Courtney Leigh Miller among 287 nurse practitioner records in Montana

Courtney Leigh Miller, CNP is one of 287 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 not. Its NPI, issued in 2026, is newer than 98% of them.

  • NPI issued2026 · 98% of these records are older, 0% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2025 · median 2019 among the 185 with a school on file
  • Record last updated2026 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 nurse practitioner records list a practice address in Sidney

They are 3 of the 119 NPPES records with a practice address in Sidney, and 287 nurse practitioner records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 287 in Montana → Every provider in Sidney → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Janie Darby, CNPSidney, MT 592701275640757
  2. Sarah Farrow, APRN, AGNP-CSidney, MT 592701083373369
  3. Gregory Crowder, FNPScobey, MT 592631437136223
  4. Deanna Ferestad, NP-CScobey, MT 592631134420318
  5. Janet Erickson, PMHNP-BCPoplar, MT 592551730348327
  6. Judith Lauridsen, CNPPoplar, MT 592551124132378
  7. Joy Huber, FNPMiles City, MT 593011104911585
  8. Rosemary Malloy, FNPMiles City, MT 593011689760225

Common questions

What is Courtney Leigh Miller, CNP's NPI number?

Courtney Leigh Miller, CNP's National Provider Identifier (NPI) is 1386596153, issued on Feb 12, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Courtney Leigh Miller, CNP located?

The NPPES record lists a practice address at 214 14TH Ave SW, Sidney, MT, 59270. Phone: (406) 488-2504. Providers update this record themselves, so call before visiting.

How can I verify Courtney Leigh Miller, CNP's license?

NPPES lists Montana license number NUR-APRN-LIC-286292, 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. 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.