Healthcare provider profile · identity verified

Casey Duncan, APRN

Nurse Practitioner · SALEM, AR · NPI 1679084826

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Albuterol Sulfate HfaAlbuterol Sulfate15042
GabapentinGabapentin15036
Atorvastatin CalciumAtorvastatin Calcium11527
Tramadol HclTramadol Hcl11024
Cyclobenzaprine HclCyclobenzaprine Hcl10525
OmeprazoleOmeprazole10425
LisinoprilLisinopril10124
AlprazolamAlprazolam9916
Pantoprazole SodiumPantoprazole Sodium9424
Levothyroxine SodiumLevothyroxine Sodium8522
Metformin HclMetformin Hcl7721
Metoprolol SuccinateMetoprolol Succinate7613
CelecoxibCelecoxib6512
Fluticasone PropionateFluticasone Propionate6525
Amlodipine BesylateAmlodipine Besylate6417
OzempicSemaglutide6412
Duloxetine HclDuloxetine Hcl6314
Montelukast SodiumMontelukast Sodium6319
Losartan PotassiumLosartan Potassium6115
Metformin Hcl ErMetformin Hcl6016
ClopidogrelClopidogrel Bisulfate5912
Potassium ChloridePotassium Chloride5913
Tizanidine HclTizanidine Hcl5413
PregabalinPregabalin53suppressed
FamotidineFamotidine5211
FurosemideFurosemide4811
ClonazepamClonazepam46suppressed
Acetaminophen-CodeineAcetaminophen With Codeine45suppressed
Metoprolol TartrateMetoprolol Tartrate45suppressed
Tamsulosin HclTamsulosin Hcl4111
Diclofenac SodiumDiclofenac Sodium40suppressed
SymbicortBudesonide/Formoterol Fumarate38suppressed
Trazodone HclTrazodone Hcl38suppressed
BaclofenBaclofen3711
SimvastatinSimvastatin37suppressed
TopiramateTopiramate36suppressed
LovastatinLovastatin34suppressed
AllopurinolAllopurinol30suppressed
GlipizideGlipizide30suppressed
Venlafaxine Hcl ErVenlafaxine Hcl29suppressed
CarvedilolCarvedilol28suppressed
PrednisonePrednisone2821
AzithromycinAzithromycin2723
Bupropion XlBupropion Hcl27suppressed
Citalopram HbrCitalopram Hydrobromide27suppressed
Ondansetron OdtOndansetron2712
Sertraline HclSertraline Hcl27suppressed
Ventolin HfaAlbuterol Sulfate27suppressed
MounjaroTirzepatide26suppressed
Amitriptyline HclAmitriptyline Hcl25suppressed
HydrochlorothiazideHydrochlorothiazide2511
IbuprofenIbuprofen25suppressed
Escitalopram OxalateEscitalopram Oxalate24suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide24suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate23suppressed
MeloxicamMeloxicam23suppressed
Paroxetine HclParoxetine Hcl23suppressed
AtenololAtenolol21suppressed
Promethazine HclPromethazine Hcl21suppressed
Ropinirole HclRopinirole Hcl21suppressed
SpironolactoneSpironolactone21suppressed
Buspirone HclBuspirone Hcl20suppressed
EliquisApixaban20suppressed
LidocaineLidocaine20suppressed
Sumatriptan SuccinateSumatriptan Succinate20suppressed
MethocarbamolMethocarbamol19suppressed
Pravastatin SodiumPravastatin Sodium19suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1911
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1813
CefdinirCefdinir1815
Rosuvastatin CalciumRosuvastatin Calcium18suppressed
Azelastine HclAzelastine Hcl16suppressed
Glipizide ErGlipizide16suppressed
Zolpidem TartrateZolpidem Tartrate16suppressed
Hydroxyzine HclHydroxyzine Hcl14suppressed
JardianceEmpagliflozin14suppressed
Fluoxetine HclFluoxetine Hcl13suppressed
GemfibrozilGemfibrozil13suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
Pioglitazone HclPioglitazone Hcl13suppressed
Risedronate SodiumRisedronate Sodium13suppressed
CephalexinCephalexin12suppressed
DiazepamDiazepam12suppressed
Emgality PenGalcanezumab-Gnlm12suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium12suppressed
FarxigaDapagliflozin Propanediol12suppressed
Janumet XrSitagliptin Phos/Metformin Hcl12suppressed
LinzessLinaclotide12suppressed
Meclizine HclMeclizine Hcl12suppressed
QnaslBeclomethasone Dipropionate12suppressed
TemazepamTemazepam12suppressed
Humulin NInsulin Nph Human Isophane11suppressed
Neomycin-Polymyxin-DexamethNeomycin/Polymyxin B/Dexametha11suppressed
Quetiapine FumarateQuetiapine Fumarate11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error