NPPES file of Aug 9, 2026

Necia Marie Tierney, FNP

Family Nurse Practitioner · Great Falls, MT

Necia Marie Tierney, FNP is a family nurse practitioner with a practice address in Great Falls, Montana, and NPI 1841041233, issued on Apr 1, 2024. Check the license (Montana 236203, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841041233
Name
Necia Marie Tierney
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
236203 MT
Self-reported in NPPES; status is on the state search
Practice location
1401 25TH St S, Great Falls, MT 59405
Phone
(406) 731-8888
Enumerated
Apr 1, 2024
Record last updated
Jun 5, 2024
Fax
(406) 731-8318
Medicare enrollment
Enrolled (PECOS I20240612003474); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 2023
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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Also registered at 1401 25TH St S

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

  1. Thomas Addison, MDGeriatric Medicine (Internal Medicine) Physician1871594754
  2. Sheela Ahmed, MDPulmonary Disease Physician1083736227
  3. Jill Aitken, AUDAudiologist1730386020
  4. Jamie Aleba, PAMedical Physician Assistant1184929572
  5. Thomas Attaway, MDGastroenterology Physician1922012442
  6. Lily AvgustovskiyNurse Practitioner1093122335

Verify Necia Marie Tierney 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 236203
    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
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91% fewer Medicare Part D claims than the average family nurse practitioner in 2024

121 Medicare Part D claims for 35 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Necia Tierney121
  2. Specialty average1,305

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $36.77

2 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Necia Tierney$36.77
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Necia Marie Tierney among 815 family nurse practitioner records in Montana

Necia Marie Tierney, FNP 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 2024, is newer than 89% of them.

  • NPI issued2024 · 89% of these records are older, 6% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2023 · median 2018 among the 505 with a school on file
  • Record last updated2024 · 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).

87 family nurse practitioner records list a practice address in Great Falls

They are 87 of the 1,798 NPPES records with a practice address in Great Falls, and 815 family nurse practitioner records in Montana.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Robin Boland, FNPGreat Falls, MT 594051528398492
  2. Anne Eby, APRN, FNPGreat Falls, MT 594051396077632
  3. Edith Ellsworth, APRN, BCGreat Falls, MT 594051972786986
  4. Gretchen Fowell, FNPGreat Falls, MT 594051649209867
  5. Heidi Fritz, FNPGreat Falls, MT 594051770538407
  6. Sonya Gilson, APNPGreat Falls, MT 594051295981801
  7. Jason Gleason, FNPGreat Falls, MT 594051447360987
  8. Mary Gray, FNPGreat Falls, MT 594051184625055

Common questions

What is Necia Marie Tierney, FNP's NPI number?

Necia Marie Tierney, FNP's National Provider Identifier (NPI) is 1841041233, issued on Apr 1, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Necia Marie Tierney, FNP located?

The NPPES record lists a practice address at 1401 25TH St S, Great Falls, MT, 59405. Phone: (406) 731-8888. Providers update this record themselves, so call before visiting.

How can I verify Necia Marie Tierney, FNP's license?

NPPES lists Montana license number 236203, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Necia Marie Tierney, FNP prescribe under Medicare Part D?

In 2024, Necia Marie Tierney, FNP had 121 Medicare Part D claims for 35 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.

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.