Registry data as of Aug 27, 2026

David Costner, APRN NP-BC

Nurse Practitioner · Plains, MT

David Costner, APRN NP-BC is a nurse practitioner with a practice address in Plains, Montana, and NPI 1346542867, issued on Dec 4, 2010. Check the license (Montana 102425, 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
1346542867
Name
David Costner
Credential
APRN NP-BC
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
102425 MT
NUR-APRN-LIC-102425 MT
Self-reported in NPPES; status is on the state search
Practice location
406 W Railroad Ave, Plains, MT 59859
Phone
(406) 540-5757
Enumerated
Dec 4, 2010
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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Verify David Costner 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 102425
    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.

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

3,882 Medicare Part D claims for 283 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 16 claims were for opioids.

  1. David Costner3,882
  2. Specialty average1,144

Most prescribed

  1. Losartan Potassium303 claims
  2. Levothyroxine Sodium209 claims
  3. Atorvastatin Calcium200 claims
  4. Gabapentin148 claims
  5. Omeprazole141 claims
  6. Amlodipine Besylate131 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.

2 nurse practitioner records list a Plains practice address

They are 2 of the 50 NPPES records with a Plains 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 David Costner, APRN NP-BC's NPI number?

David Costner, APRN NP-BC's National Provider Identifier (NPI) is 1346542867, issued on Dec 4, 2010. An NPI identifies a provider in billing; it is not a license.

Where is David Costner, APRN NP-BC located?

The NPPES record lists a practice address at 406 W Railroad Ave, Plains, MT, 59859. Phone: (406) 540-5757. Providers update this record themselves, so call before visiting.

How can I verify David Costner, APRN NP-BC's license?

NPPES lists Montana license number 102425, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does David Costner, APRN NP-BC prescribe under Medicare Part D?

In 2024, David Costner, APRN NP-BC had 3,882 Medicare Part D claims for 283 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.