Registry data as of Aug 27, 2026

Brittany Carnahan, FNP-C

Nurse Practitioner · Helena, MT

Brittany Carnahan, FNP-C is a nurse practitioner with a practice address in Helena, Montana, and NPI 1841801370, issued on Aug 10, 2020. Check the license (Montana NUR-APRN-LIC-160619, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1841801370
Name
Brittany Carnahan
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
NUR-APRN-LIC-160619 MT
Self-reported in NPPES; status is on the state search
Practice location
2619 Colonial Dr Ste A, Helena, MT 59601
Phone
(406) 442-1231
Enumerated
Aug 10, 2020
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.
Download card Updates feed

Also registered at 2619 Colonial Dr Ste A

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

  1. Samantha SmithNurse Practitioner1245887538

Verify Brittany Carnahan 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-160619
    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.

3.2 times the Medicare Part D claims of the average nurse practitioner in 2024

3,708 Medicare Part D claims for 219 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 123 claims were for opioids.

  1. Brittany Carnahan3,708
  2. Specialty average1,144

Most prescribed

  1. Levothyroxine Sodium199 claims
  2. Hydrochlorothiazide183 claims
  3. Potassium Chloride134 claims
  4. Simvastatin134 claims
  5. Atorvastatin Calcium116 claims
  6. Fluoxetine Hcl95 claims

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: $708.30

43 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 36,168 providers of this specialty with any payment received $802.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brittany Carnahan$708.30
  2. Specialty average$802.80

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

One hospital or facility affiliation

  1. Mountain View Family Health Care, PCHelena, MT

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

26 nurse practitioner records list a Helena practice address

They are 26 of the 1,591 NPPES records with a Helena practice address, and 297 nurse practitioner records in Montana.

Other nurse practitioner records in Montana

  1. Melissa Abraham, NP-CHelena, MT1902027436
  2. Amanda Abrams-Buerkley, DNPHavre, MT1710471495
  3. Kara Addison, DNP-CHelena, MT1295090983
  4. Marni Allen, NPKalispell, MT1154353118
  5. Susan Anderson, APRMFort Harrison, MT1235236555
  6. Barbara Antonson, ARNPWolf Point, MT1609861582
  7. Susan Asbell, FNPBillings, MT1053425462
  8. Lily AvgustovskiyGreat Falls, MT1093122335
  9. Cassidy AyalaBillings, MT1083354500
  10. Britt Ballinger, NPHelena, MT1265752679

Common questions

What is Brittany Carnahan, FNP-C's NPI number?

Brittany Carnahan, FNP-C's National Provider Identifier (NPI) is 1841801370, issued on Aug 10, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Brittany Carnahan, FNP-C located?

The NPPES record lists a practice address at 2619 Colonial Dr Ste A, Helena, MT, 59601. Phone: (406) 442-1231. Providers update this record themselves, so call before visiting.

How can I verify Brittany Carnahan, FNP-C's license?

NPPES lists Montana license number NUR-APRN-LIC-160619, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Brittany Carnahan, FNP-C prescribe under Medicare Part D?

In 2024, Brittany Carnahan, FNP-C had 3,708 Medicare Part D claims for 219 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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.