Healthcare provider profile · identity verified

William Bensen, D.O.

Family Practice · SPENCER, IA · NPI 1750768339

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 Calcium558112
Levothyroxine SodiumLevothyroxine Sodium55189
OmeprazoleOmeprazole44768
Metoprolol SuccinateMetoprolol Succinate38887
LisinoprilLisinopril38776
Amlodipine BesylateAmlodipine Besylate37169
Metformin Hcl ErMetformin Hcl37174
GabapentinGabapentin33850
Losartan PotassiumLosartan Potassium28260
SimvastatinSimvastatin27851
FurosemideFurosemide25554
EliquisApixaban25140
Metoprolol TartrateMetoprolol Tartrate23632
Sertraline HclSertraline Hcl21033
Tamsulosin HclTamsulosin Hcl18535
Pantoprazole SodiumPantoprazole Sodium14330
HydrochlorothiazideHydrochlorothiazide14124
Rosuvastatin CalciumRosuvastatin Calcium14039
IrbesartanIrbesartan13023
Quetiapine FumarateQuetiapine Fumarate129suppressed
Alendronate SodiumAlendronate Sodium12529
FamotidineFamotidine12226
Potassium ChloridePotassium Chloride12231
ClopidogrelClopidogrel Bisulfate11518
Buspirone HclBuspirone Hcl11019
Montelukast SodiumMontelukast Sodium10725
Tramadol HclTramadol Hcl10323
Trelegy ElliptaFluticasone/Umeclidin/Vilanter10314
Venlafaxine Hcl ErVenlafaxine Hcl10112
MirtazapineMirtazapine99suppressed
Bupropion XlBupropion Hcl9620
Fluticasone PropionateFluticasone Propionate9627
GlipizideGlipizide9419
Duloxetine HclDuloxetine Hcl9223
AllopurinolAllopurinol9023
Trazodone HclTrazodone Hcl8920
AtenololAtenolol8613
LansoprazoleLansoprazole79suppressed
MeloxicamMeloxicam7913
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr7814
Escitalopram OxalateEscitalopram Oxalate7718
Pramipexole DihydrochloridePramipexole Di-Hcl72suppressed
Klor-Con M10Potassium Chloride70suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl6915
JantovenWarfarin Sodium69suppressed
DigoxinDigoxin65suppressed
PregabalinPregabalin65suppressed
Albuterol Sulfate HfaAlbuterol Sulfate6327
Memantine HclMemantine Hcl62suppressed
OzempicSemaglutide62suppressed
JardianceEmpagliflozin6112
Warfarin SodiumWarfarin Sodium6014
Citalopram HbrCitalopram Hydrobromide59suppressed
Nortriptyline HclNortriptyline Hcl5813
BumetanideBumetanide57suppressed
Fluoxetine HclFluoxetine Hcl57suppressed
Metformin HclMetformin Hcl5614
Donepezil HclDonepezil Hcl55suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5313
CarvedilolCarvedilol5013
Azelastine HclAzelastine Hcl49suppressed
Amitriptyline HclAmitriptyline Hcl4812
LevetiracetamLevetiracetam48suppressed
XareltoRivaroxaban46suppressed
Benazepril HclBenazepril Hcl45suppressed
Ropinirole HclRopinirole Hcl45suppressed
FinasterideFinasteride44suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog3911
Ventolin HfaAlbuterol Sulfate39suppressed
Klor-Con M20Potassium Chloride38suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid35suppressed
RybelsusSemaglutide34suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl34suppressed
Colestipol HclColestipol Hcl33suppressed
Pravastatin SodiumPravastatin Sodium3312
SulindacSulindac33suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate32suppressed
LamotrigineLamotrigine32suppressed
LatanoprostLatanoprost32suppressed
Oxybutynin Chloride ErOxybutynin Chloride32suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol31suppressed
CephalexinCephalexin31suppressed
SpironolactoneSpironolactone3111
Doxazosin MesylateDoxazosin Mesylate30suppressed
LidocaineLidocaine30suppressed
Verapamil ErVerapamil Hcl30suppressed
TopiramateTopiramate29suppressed
Breo ElliptaFluticasone/Vilanterol28suppressed
CelecoxibCelecoxib28suppressed
Diclofenac SodiumDiclofenac Sodium2813
Isosorbide Mononitrate ErIsosorbide Mononitrate28suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog28suppressed
AripiprazoleAripiprazole27suppressed
Ipratropium BromideIpratropium Bromide27suppressed
BaclofenBaclofen25suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa25suppressed
Fluvoxamine MaleateFluvoxamine Maleate24suppressed
Hydroxyzine HclHydroxyzine Hcl24suppressed
NaproxenNaproxen24suppressed
Oxycodone HclOxycodone Hcl24suppressed
Tizanidine HclTizanidine Hcl24suppressed
AlprazolamAlprazolam23suppressed
EzetimibeEzetimibe23suppressed
RivastigmineRivastigmine Tartrate23suppressed
Tolterodine Tartrate ErTolterodine Tartrate23suppressed
AcyclovirAcyclovir22suppressed
Fludrocortisone AcetateFludrocortisone Acetate22suppressed
Propranolol Hcl ErPropranolol Hcl22suppressed
RoflumilastRoflumilast22suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl21suppressed
Carbidopa-LevodopaCarbidopa/Levodopa20suppressed
Doxycycline MonohydrateDoxycycline Monohydrate20suppressed
Naltrexone HclNaltrexone Hcl20suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic20suppressed
Clonidine HclClonidine Hcl19suppressed
Enalapril MaleateEnalapril Maleate19suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters19suppressed
Ondansetron OdtOndansetron1916
Fluticasone-SalmeterolFluticasone Propion/Salmeterol18suppressed
Spiriva RespimatTiotropium Bromide18suppressed
Candesartan CilexetilCandesartan Cilexetil17suppressed
Enoxaparin SodiumEnoxaparin Sodium17suppressed
Arnuity ElliptaFluticasone Furoate16suppressed
Hydralazine HclHydralazine Hcl16suppressed
SotalolSotalol Hcl16suppressed
Terbinafine HclTerbinafine Hcl16suppressed
Aspirin-Dipyridamole ErAspirin/Dipyridamole15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
Solifenacin SuccinateSolifenacin Succinate15suppressed
Advair HfaFluticasone Propion/Salmeterol14suppressed
DiazepamDiazepam14suppressed
HydrocortisoneHydrocortisone1413
Paroxetine HclParoxetine Hcl14suppressed
RamelteonRamelteon14suppressed
Sumatriptan SuccinateSumatriptan Succinate14suppressed
ValsartanValsartan14suppressed
Cartia XtDiltiazem Hcl13suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine13suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1312
TrulicityDulaglutide13suppressed
Amlodipine-AtorvastatinAmlodipine/Atorvastatin12suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide12suppressed
ChlorthalidoneChlorthalidone12suppressed
Glipizide ErGlipizide12suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended12suppressed
FarxigaDapagliflozin Propanediol11suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11suppressed
LorazepamLorazepam11suppressed
ValacyclovirValacyclovir 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