Healthcare provider profile · identity verified

David Keith Barton, PA-C

Physician Assistant · FLORENCE, OR · NPI 1487137782

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
Atorvastatin CalciumAtorvastatin Calcium487143
LisinoprilLisinopril399113
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen26455
Levothyroxine SodiumLevothyroxine Sodium26475
Losartan PotassiumLosartan Potassium22472
Amlodipine BesylateAmlodipine Besylate18561
OmeprazoleOmeprazole17751
GabapentinGabapentin15252
HydrochlorothiazideHydrochlorothiazide14845
Metformin HclMetformin Hcl14541
Tamsulosin HclTamsulosin Hcl13945
SimvastatinSimvastatin13839
OzempicSemaglutide13026
Albuterol Sulfate HfaAlbuterol Sulfate12850
Metoprolol SuccinateMetoprolol Succinate12436
Rosuvastatin CalciumRosuvastatin Calcium9426
Trazodone HclTrazodone Hcl9327
Potassium ChloridePotassium Chloride8831
Metformin Hcl ErMetformin Hcl8227
Pravastatin SodiumPravastatin Sodium8232
FurosemideFurosemide8132
LorazepamLorazepam8119
Pantoprazole SodiumPantoprazole Sodium8027
CarvedilolCarvedilol7925
Sertraline HclSertraline Hcl7420
Cyclobenzaprine HclCyclobenzaprine Hcl7132
AlprazolamAlprazolam6617
Tramadol HclTramadol Hcl6522
JardianceEmpagliflozin6318
EliquisApixaban6216
Oxycodone HclOxycodone Hcl6225
Metoprolol TartrateMetoprolol Tartrate6117
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen5812
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5716
Duloxetine HclDuloxetine Hcl5614
FinasterideFinasteride5620
CelecoxibCelecoxib5520
Glipizide ErGlipizide5314
Buspirone HclBuspirone Hcl5212
Alendronate SodiumAlendronate Sodium5015
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5015
Hydroxyzine HclHydroxyzine Hcl4911
IbuprofenIbuprofen4919
Montelukast SodiumMontelukast Sodium4816
Ondansetron OdtOndansetron4613
EzetimibeEzetimibe4517
AllopurinolAllopurinol4415
PrednisonePrednisone4419
Fluticasone PropionateFluticasone Propionate4321
GlipizideGlipizide4112
Warfarin SodiumWarfarin Sodium4013
Donepezil HclDonepezil Hcl38suppressed
Escitalopram OxalateEscitalopram Oxalate3811
IrbesartanIrbesartan3812
LovastatinLovastatin3812
MeloxicamMeloxicam3818
Tizanidine HclTizanidine Hcl38suppressed
SpironolactoneSpironolactone3714
ClonazepamClonazepam3614
FamotidineFamotidine3614
Fluoxetine HclFluoxetine Hcl3614
Pioglitazone HclPioglitazone Hcl36suppressed
PregabalinPregabalin3618
ClopidogrelClopidogrel Bisulfate3511
AzithromycinAzithromycin3325
AtenololAtenolol32suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3120
Ropinirole HclRopinirole Hcl30suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid30suppressed
Zolpidem TartrateZolpidem Tartrate3016
Breo ElliptaFluticasone/Vilanterol28suppressed
JanuviaSitagliptin Phosphate27suppressed
Benazepril HclBenazepril Hcl26suppressed
Citalopram HbrCitalopram Hydrobromide26suppressed
Sumatriptan SuccinateSumatriptan Succinate26suppressed
MethocarbamolMethocarbamol2512
NitroglycerinNitroglycerin2415
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2321
Diltiazem 24hr Er (Cd)Diltiazem Hcl23suppressed
Ondansetron HclOndansetron Hcl23suppressed
ChlorthalidoneChlorthalidone22suppressed
RizatriptanRizatriptan Benzoate22suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol21suppressed
ValsartanValsartan21suppressed
Paroxetine HclParoxetine Hcl20suppressed
Clonidine HclClonidine Hcl19suppressed
EstradiolEstradiol19suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro19suppressed
SynthroidLevothyroxine Sodium19suppressed
TorsemideTorsemide19suppressed
Amitriptyline HclAmitriptyline Hcl18suppressed
MounjaroTirzepatide18suppressed
Bupropion Hcl SrBupropion Hcl16suppressed
GlimepirideGlimepiride16suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate16suppressed
LevetiracetamLevetiracetam16suppressed
OlanzapineOlanzapine16suppressed
Oxybutynin Chloride ErOxybutynin Chloride16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
FarxigaDapagliflozin Propanediol15suppressed
Rabeprazole SodiumRabeprazole Sodium15suppressed
FenofibrateFenofibrate14suppressed
SymbicortBudesonide/Formoterol Fumarate14suppressed
Terazosin HclTerazosin Hcl14suppressed
Advair HfaFluticasone Propion/Salmeterol13suppressed
AripiprazoleAripiprazole13suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide13suppressed
Diclofenac SodiumDiclofenac Sodium13suppressed
KetoconazoleKetoconazole13suppressed
Terbinafine HclTerbinafine Hcl1311
BaclofenBaclofen12suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate12suppressed
Bupropion XlBupropion Hcl12suppressed
FenofibrateFenofibrate Nanocrystallized12suppressed
Methadone HclMethadone Hcl12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog12suppressed
Doxycycline MonohydrateDoxycycline Monohydrate11suppressed
Liothyronine SodiumLiothyronine Sodium11suppressed
Metoclopramide HclMetoclopramide Hcl11suppressed
MetolazoneMetolazone11suppressed
Midodrine HclMidodrine Hcl11suppressed
Propranolol HclPropranolol Hcl11suppressed

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