Registry data as of Aug 27, 2026

Brett Locke, NP

Family Nurse Practitioner · Duncan, OK

Brett Locke, NP is a family nurse practitioner with a practice address in Duncan, Oklahoma, and NPI 1215518238, issued on Apr 20, 2021. Check the license (Oklahoma 0121581, as entered in NPPES) with the Oklahoma 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
1215518238
Name
Brett Locke
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
0121581 OK
Self-reported in NPPES; status is on the state search
Practice location
2845 W Elk Ave Bldg 100, Duncan, OK 73533
Phone
(580) 255-9797
Enumerated
Apr 20, 2021
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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Also registered at 2845 W Elk Ave Bldg 100

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

  1. Douglas Miller, MDSurgery Physician1952441446

Verify Brett Locke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 0121581
    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 Oklahoma 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.

57% fewer Medicare Part D claims than the average family nurse practitioner in 2024

566 Medicare Part D claims for 256 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Brett Locke566
  2. Specialty average1,302

Most prescribed

  1. Pantoprazole Sodium212 claims
  2. Omeprazole68 claims
  3. Famotidine44 claims
  4. Ondansetron Odt16 claims
  5. Peg 3350-Electrolyte16 claims
  6. Dexlansoprazole Dr15 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.

The Medicare quality score for 2023: 91.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score79.3
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $39.48

3 payments, mostly food and beverage; the largest payer was Medtronic, Inc.. The 91,435 providers of this specialty with any payment received $675.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brett Locke$39.48
  2. Specialty average$675.31

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

2 hospital and facility affiliations

  1. Duncan Regional Hospital, IncDuncan, OK · Acute Care Hospitals3 of 5 stars
  2. Solutions Practice ManagementDuncan, OK

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.

24 family nurse practitioner records list a Duncan practice address

They are 24 of the 381 NPPES records with a Duncan practice address, and 2,434 family nurse practitioner records in Oklahoma.

Other family nurse practitioner records in Oklahoma

  1. Melissa Abbott, DNP, APRN, FNP-CTulsa, OK1891508479
  2. Bincy Abraham, NURSE PRACTITIONEROklahoma City, OK1083066609
  3. Ligi Abraham, APRN CNPOklahoma City, OK1376158295
  4. Susan Abrahamsen, APRNEl Reno, OK1902016298
  5. Silas Abrenica, FNPFort Sill, OK1669529723
  6. Jessica Acosta-Van Den Berg, APRN-CNPClinton, OK1922404888
  7. Stephanie Adame, APRNTulsa, OK1003402918
  8. Amy Adams, DNP, APRN, CNPSalina, OK1477952901
  9. Harvey Adams, APRNOklahoma City, OK1003363250
  10. Kristi Adams, APRN-CNPArdmore, OK1366953184

Common questions

What is Brett Locke, NP's NPI number?

Brett Locke, NP's National Provider Identifier (NPI) is 1215518238, issued on Apr 20, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Brett Locke, NP located?

The NPPES record lists a practice address at 2845 W Elk Ave Bldg 100, Duncan, OK, 73533. Phone: (580) 255-9797. Providers update this record themselves, so call before visiting.

How can I verify Brett Locke, NP's license?

NPPES lists Oklahoma license number 0121581, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Brett Locke, NP prescribe under Medicare Part D?

In 2024, Brett Locke, NP had 566 Medicare Part D claims for 256 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

What is Brett Locke, NP's Medicare quality score?

The 2023 MIPS final score is 91.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.