Healthcare provider profile · identity verified

John Robert Allen, M.D.

Internal Medicine · BEND, OR · NPI 1043304462

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 Calcium1454470
Rosuvastatin CalciumRosuvastatin Calcium1089365
Amlodipine BesylateAmlodipine Besylate739234
LisinoprilLisinopril734222
Levothyroxine SodiumLevothyroxine Sodium610194
Losartan PotassiumLosartan Potassium548182
OmeprazoleOmeprazole461162
GabapentinGabapentin378134
Metformin Hcl ErMetformin Hcl364115
Metoprolol SuccinateMetoprolol Succinate324104
HydrochlorothiazideHydrochlorothiazide31197
Pantoprazole SodiumPantoprazole Sodium29691
EzetimibeEzetimibe294103
Tamsulosin HclTamsulosin Hcl26792
EliquisApixaban25987
Metformin HclMetformin Hcl25479
AllopurinolAllopurinol23177
Trazodone HclTrazodone Hcl22076
Sertraline HclSertraline Hcl20263
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20148
SimvastatinSimvastatin19060
Tramadol HclTramadol Hcl18348
Duloxetine HclDuloxetine Hcl16750
JardianceEmpagliflozin16451
Albuterol Sulfate HfaAlbuterol Sulfate15568
FurosemideFurosemide15452
Citalopram HbrCitalopram Hydrobromide15138
Zolpidem TartrateZolpidem Tartrate15152
SynthroidLevothyroxine Sodium14646
CarvedilolCarvedilol14547
GlimepirideGlimepiride14443
Pravastatin SodiumPravastatin Sodium14244
FinasterideFinasteride13445
Doxazosin MesylateDoxazosin Mesylate13139
ValsartanValsartan12535
Potassium ChloridePotassium Chloride12349
Metoprolol TartrateMetoprolol Tartrate12136
Alendronate SodiumAlendronate Sodium12040
LorazepamLorazepam11947
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide11337
TelmisartanTelmisartan11240
IrbesartanIrbesartan11036
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11034
AtenololAtenolol10934
Ipratropium BromideIpratropium Bromide10850
Fluoxetine HclFluoxetine Hcl10737
Escitalopram OxalateEscitalopram Oxalate10238
OzempicSemaglutide10020
FamotidineFamotidine9838
EstradiolEstradiol9739
Lantus SolostarInsulin Glargine,hum.Rec.Anlog9221
SpironolactoneSpironolactone8931
Bupropion XlBupropion Hcl8730
ClopidogrelClopidogrel Bisulfate8732
LovastatinLovastatin8727
AlprazolamAlprazolam8436
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid7825
Pramipexole DihydrochloridePramipexole Di-Hcl7121
Oxycodone HclOxycodone Hcl6623
ClonazepamClonazepam6519
MethocarbamolMethocarbamol6325
Fluticasone PropionateFluticasone Propionate6229
Buspirone HclBuspirone Hcl6020
Propranolol HclPropranolol Hcl6021
Amitriptyline HclAmitriptyline Hcl5923
PregabalinPregabalin5916
AcyclovirAcyclovir5424
MeloxicamMeloxicam5224
Montelukast SodiumMontelukast Sodium5221
XareltoRivaroxaban5115
EszopicloneEszopiclone5013
TrulicityDulaglutide4911
Paroxetine HclParoxetine Hcl4720
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen46suppressed
Sumatriptan SuccinateSumatriptan Succinate4615
Venlafaxine Hcl ErVenlafaxine Hcl4414
Memantine HclMemantine Hcl43suppressed
MirtazapineMirtazapine4319
ValacyclovirValacyclovir Hcl4222
Quetiapine FumarateQuetiapine Fumarate3812
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate37suppressed
ChlorthalidoneChlorthalidone3712
Cyclobenzaprine HclCyclobenzaprine Hcl3717
PrednisonePrednisone3615
Tizanidine HclTizanidine Hcl3614
Triamcinolone AcetonideTriamcinolone Acetonide3628
CelecoxibCelecoxib3514
LamotrigineLamotrigine35suppressed
RybelsusSemaglutide35suppressed
Carbidopa-LevodopaCarbidopa/Levodopa33suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate33suppressed
Ondansetron HclOndansetron Hcl3318
Oxybutynin Chloride ErOxybutynin Chloride3315
Trelegy ElliptaFluticasone/Umeclidin/Vilanter33suppressed
Clonidine HclClonidine Hcl3211
Donepezil HclDonepezil Hcl32suppressed
PrimidonePrimidone3211
MyrbetriqMirabegron31suppressed
Terazosin HclTerazosin Hcl31suppressed
BaclofenBaclofen30suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl30suppressed
Oxybutynin ChlorideOxybutynin Chloride30suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide30suppressed
Benazepril HclBenazepril Hcl29suppressed
RizatriptanRizatriptan Benzoate28suppressed
TemazepamTemazepam28suppressed
Bupropion HclBupropion Hcl27suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol27suppressed
Olmesartan MedoxomilOlmesartan Medoxomil2711
RamiprilRamipril27suppressed
Diclofenac SodiumDiclofenac Sodium2612
Esomeprazole MagnesiumEsomeprazole Magnesium26suppressed
GlipizideGlipizide26suppressed
Ropinirole HclRopinirole Hcl26suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine25suppressed
TorsemideTorsemide24suppressed
Candesartan CilexetilCandesartan Cilexetil23suppressed
Glipizide ErGlipizide23suppressed
Ondansetron OdtOndansetron2315
TopiramateTopiramate23suppressed
Warfarin SodiumWarfarin Sodium23suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc21suppressed
CephalexinCephalexin2116
MethimazoleMethimazole21suppressed
Methylphenidate HclMethylphenidate Hcl21suppressed
Naltrexone HclNaltrexone Hcl21suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog20suppressed
Dicyclomine HclDicyclomine Hcl20suppressed
Doxycycline HyclateDoxycycline Hyclate2017
NystatinNystatin2012
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters20suppressed
Venlafaxine HclVenlafaxine Hcl20suppressed
Breo ElliptaFluticasone/Vilanterol19suppressed
Dextroamphetamine SulfateDextroamphetamine Sulfate19suppressed
LantusInsulin Glargine,hum.Rec.Anlog19suppressed
Praluent PenAlirocumab19suppressed
Spiriva RespimatTiotropium Bromide19suppressed
DiazepamDiazepam18suppressed
Enalapril MaleateEnalapril Maleate18suppressed
Alfuzosin Hcl ErAlfuzosin Hcl17suppressed
Bupropion Hcl SrBupropion Hcl17suppressed
Pioglitazone HclPioglitazone Hcl17suppressed
ColchicineColchicine16suppressed
Liothyronine SodiumLiothyronine Sodium16suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic16suppressed
OxcarbazepineOxcarbazepine16suppressed
OxycontinOxycodone Hcl16suppressed
Testosterone CypionateTestosterone Cypionate16suppressed
GemtesaVibegron15suppressed
Hydralazine HclHydralazine Hcl15suppressed
NitroglycerinNitroglycerin1514
Nortriptyline HclNortriptyline Hcl15suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog15suppressed
Verapamil ErVerapamil Hcl15suppressed
Azelastine HclAzelastine Hcl14suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide14suppressed
Klor-Con M20Potassium Chloride14suppressed
Memantine Hcl ErMemantine Hcl14suppressed
Nifedipine ErNifedipine14suppressed
Propranolol Hcl ErPropranolol Hcl14suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril13suppressed
AzithromycinAzithromycin13suppressed
Lidocaine-PrilocaineLidocaine/Prilocaine13suppressed
OlanzapineOlanzapine13suppressed
CholestyramineCholestyramine (With Sugar)12suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine12suppressed
Flecainide AcetateFlecainide Acetate12suppressed
Fludrocortisone AcetateFludrocortisone Acetate12suppressed
IbuprofenIbuprofen12suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst12suppressed
TestosteroneTestosterone12suppressed
AripiprazoleAripiprazole11suppressed
Budesonide DrBudesonide11suppressed
Dextroamphetamine Sulfate ErDextroamphetamine Sulfate11suppressed
FenofibrateFenofibrate11suppressed
Hydroxyzine HclHydroxyzine Hcl11suppressed
Potassium Citrate ErPotassium Citrate11suppressed
Spironolactone-HctzSpironolact/Hydrochlorothiazid11suppressed
SymbicortBudesonide/Formoterol Fumarate11suppressed
Trimipramine MaleateTrimipramine Maleate11suppressed

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