Healthcare provider profile · identity verified

Benjamin Joseph Heinzen, M.D.

Internal Medicine · OSHKOSH, WI · NPI 1083886733

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 Calcium945265
Amlodipine BesylateAmlodipine Besylate655176
Losartan PotassiumLosartan Potassium552150
LisinoprilLisinopril483127
Levothyroxine SodiumLevothyroxine Sodium455116
OmeprazoleOmeprazole453130
Pravastatin SodiumPravastatin Sodium440101
Rosuvastatin CalciumRosuvastatin Calcium399118
Metformin HclMetformin Hcl31984
Metoprolol SuccinateMetoprolol Succinate29881
FurosemideFurosemide28881
SimvastatinSimvastatin28779
Potassium ChloridePotassium Chloride26063
Metoprolol TartrateMetoprolol Tartrate23264
Sertraline HclSertraline Hcl23261
HydrochlorothiazideHydrochlorothiazide22866
Tamsulosin HclTamsulosin Hcl22665
Warfarin SodiumWarfarin Sodium19739
Alendronate SodiumAlendronate Sodium19659
CarvedilolCarvedilol18949
Albuterol Sulfate HfaAlbuterol Sulfate18671
Pantoprazole SodiumPantoprazole Sodium17444
EliquisApixaban17135
Fluticasone PropionateFluticasone Propionate16865
FamotidineFamotidine16650
Metformin Hcl ErMetformin Hcl16645
FinasterideFinasteride16243
GabapentinGabapentin15753
AllopurinolAllopurinol14440
SpironolactoneSpironolactone14243
Trazodone HclTrazodone Hcl14039
CalcitriolCalcitriol13536
Lantus SolostarInsulin Glargine,hum.Rec.Anlog12324
EzetimibeEzetimibe11535
JardianceEmpagliflozin11425
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide10931
OzempicSemaglutide10824
Glipizide ErGlipizide10525
AtenololAtenolol9727
LovastatinLovastatin9524
Citalopram HbrCitalopram Hydrobromide9225
ClopidogrelClopidogrel Bisulfate9129
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8824
Fluticasone-SalmeterolFluticasone Propion/Salmeterol8722
SynthroidLevothyroxine Sodium8623
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid8525
Montelukast SodiumMontelukast Sodium8320
Fluoxetine HclFluoxetine Hcl8219
Escitalopram OxalateEscitalopram Oxalate7523
Doxazosin MesylateDoxazosin Mesylate6518
Venlafaxine Hcl ErVenlafaxine Hcl6319
Duloxetine HclDuloxetine Hcl6220
GlipizideGlipizide5718
LorazepamLorazepam5217
AlprazolamAlprazolam5113
Nifedipine ErNifedipine5012
Tizanidine HclTizanidine Hcl4915
MirtazapineMirtazapine48suppressed
Bupropion XlBupropion Hcl4712
Ropinirole HclRopinirole Hcl4715
XareltoRivaroxaban4713
Pramipexole DihydrochloridePramipexole Di-Hcl45suppressed
Tramadol HclTramadol Hcl4513
Benazepril HclBenazepril Hcl4111
PrednisonePrednisone4036
JanuviaSitagliptin Phosphate39suppressed
RybelsusSemaglutide3912
Tiadylt ErDiltiazem Hcl39suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate38suppressed
EstradiolEstradiol3614
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril35suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc35suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl3512
Buspirone HclBuspirone Hcl34suppressed
Zolpidem TartrateZolpidem Tartrate3313
Bupropion Hcl SrBupropion Hcl32suppressed
Diclofenac SodiumDiclofenac Sodium3214
EplerenoneEplerenone31suppressed
Propranolol HclPropranolol Hcl30suppressed
Spiriva RespimatTiotropium Bromide29suppressed
CelecoxibCelecoxib27suppressed
CephalexinCephalexin2722
Methylphenidate HclMethylphenidate Hcl27suppressed
AcyclovirAcyclovir2611
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip26suppressed
Diltiazem 24hr ErDiltiazem Hcl26suppressed
Propranolol Hcl ErPropranolol Hcl26suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2511
IrbesartanIrbesartan25suppressed
Ventolin HfaAlbuterol Sulfate2511
Donepezil HclDonepezil Hcl24suppressed
InvokanaCanagliflozin24suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf2323
Humalog Kwikpen U-100Insulin Lispro23suppressed
Quetiapine FumarateQuetiapine Fumarate23suppressed
Sumatriptan SuccinateSumatriptan Succinate23suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2320
Clonidine HclClonidine Hcl22suppressed
NystatinNystatin2212
Insulin Aspart Prot Mix 70-30Insulin Aspart Prot/Insuln Asp21suppressed
Pioglitazone HclPioglitazone Hcl21suppressed
ValacyclovirValacyclovir Hcl21suppressed
Amitriptyline HclAmitriptyline Hcl20suppressed
ChlorthalidoneChlorthalidone20suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium20suppressed
Wixela InhubFluticasone Propion/Salmeterol20suppressed
AmoxicillinAmoxicillin19suppressed
LevetiracetamLevetiracetam19suppressed
PregabalinPregabalin19suppressed
Breo ElliptaFluticasone/Vilanterol18suppressed
FenofibrateFenofibrate Nanocrystallized18suppressed
Insulin Aspart FlexpenInsulin Aspart18suppressed
LansoprazoleLansoprazole18suppressed
MeloxicamMeloxicam18suppressed
MounjaroTirzepatide18suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters18suppressed
Terazosin HclTerazosin Hcl18suppressed
ValsartanValsartan18suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac1717
Doxycycline MonohydrateDoxycycline Monohydrate1716
Enalapril MaleateEnalapril Maleate17suppressed
FenofibrateFenofibrate17suppressed
RivastigmineRivastigmine17suppressed
Divalproex SodiumDivalproex Sodium16suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic16suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1515
AzithromycinAzithromycin1515
Klor-Con M20Potassium Chloride15suppressed
TrulicityDulaglutide15suppressed
Clobetasol PropionateClobetasol Propionate14suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog13suppressed
DigoxinDigoxin13suppressed
Enoxaparin SodiumEnoxaparin Sodium13suppressed
FenofibrateFenofibrate,micronized13suppressed
GemfibrozilGemfibrozil13suppressed
MyrbetriqMirabegron13suppressed
NitroglycerinNitroglycerin1312
Ultra-Fine Short Pen NeedlePen Needle, Diabetic13suppressed
Vitamin D2Ergocalciferol (Vitamin D2)13suppressed
Azelastine HclAzelastine Hcl12suppressed
Carbamazepine ErCarbamazepine12suppressed
FlunisolideFlunisolide12suppressed
Hydroxyzine HclHydroxyzine Hcl12suppressed
OlanzapineOlanzapine12suppressed
Spiriva HandihalerTiotropium Bromide12suppressed
Unifine PentipsPen Needle, Diabetic12suppressed
Verapamil ErVerapamil Hcl12suppressed
BreynaBudesonide/Formoterol Fumarate11suppressed
IndapamideIndapamide11suppressed

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