Healthcare provider profile · identity verified

Eric E Stader, MD

Family Practice · LANCASTER, WI · NPI 1821009614

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
OmeprazoleOmeprazole16240
FurosemideFurosemide15823
Levothyroxine SodiumLevothyroxine Sodium15623
LisinoprilLisinopril15134
Atorvastatin CalciumAtorvastatin Calcium13738
HydrochlorothiazideHydrochlorothiazide10220
Warfarin SodiumWarfarin Sodium95suppressed
SimvastatinSimvastatin8617
Metoprolol TartrateMetoprolol Tartrate7614
Escitalopram OxalateEscitalopram Oxalate7512
Quetiapine FumarateQuetiapine Fumarate75suppressed
Tamsulosin HclTamsulosin Hcl7419
Sertraline HclSertraline Hcl7316
FamotidineFamotidine7218
Fluoxetine HclFluoxetine Hcl7013
Trazodone HclTrazodone Hcl6712
Amlodipine BesylateAmlodipine Besylate6615
Potassium ChloridePotassium Chloride6613
Pantoprazole SodiumPantoprazole Sodium65suppressed
Metoprolol SuccinateMetoprolol Succinate6420
Losartan PotassiumLosartan Potassium6216
GabapentinGabapentin51suppressed
Ropinirole HclRopinirole Hcl44suppressed
CarvedilolCarvedilol43suppressed
AllopurinolAllopurinol40suppressed
Donepezil HclDonepezil Hcl40suppressed
LorazepamLorazepam40suppressed
LovastatinLovastatin39suppressed
Metformin HclMetformin Hcl3911
MirtazapineMirtazapine38suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen35suppressed
EliquisApixaban33suppressed
GemfibrozilGemfibrozil33suppressed
Carbidopa-LevodopaCarbidopa/Levodopa32suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide32suppressed
RisperidoneRisperidone32suppressed
PregabalinPregabalin31suppressed
ClopidogrelClopidogrel Bisulfate30suppressed
LevetiracetamLevetiracetam28suppressed
TrulicityDulaglutide27suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog26suppressed
JardianceEmpagliflozin26suppressed
Rosuvastatin CalciumRosuvastatin Calcium25suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf2121
AripiprazoleAripiprazole21suppressed
FinasterideFinasteride21suppressed
Oxybutynin Chloride ErOxybutynin Chloride21suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim21suppressed
MethimazoleMethimazole20suppressed
Carbamazepine ErCarbamazepine19suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl19suppressed
Fluticasone PropionateFluticasone Propionate1912
Metformin Hcl ErMetformin Hcl19suppressed
OzempicSemaglutide17suppressed
Paroxetine HclParoxetine Hcl17suppressed
Hydralazine HclHydralazine Hcl16suppressed
ValsartanValsartan16suppressed
BaclofenBaclofen15suppressed
FenofibrateFenofibrate15suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
LoperamideLoperamide Hcl15suppressed
Memantine HclMemantine Hcl15suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
Risperidone OdtRisperidone14suppressed
Albuterol Sulfate HfaAlbuterol Sulfate13suppressed
Dicyclomine HclDicyclomine Hcl13suppressed
DigoxinDigoxin13suppressed
Dilt-XrDiltiazem Hcl13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
Duloxetine HclDuloxetine Hcl13suppressed
Glipizide ErGlipizide13suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf13suppressed
Tramadol HclTramadol Hcl13suppressed
ZonisamideZonisamide13suppressed
Enalapril MaleateEnalapril Maleate12suppressed
Incruse ElliptaUmeclidinium Bromide12suppressed
NitrofurantoinNitrofurantoin Macrocrystal12suppressed
PrednisonePrednisone12suppressed
Terazosin HclTerazosin Hcl12suppressed
Tizanidine HclTizanidine Hcl12suppressed
ClonazepamClonazepam11suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate11suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
FentanylFentanyl11suppressed
GlipizideGlipizide11suppressed
Propranolol HclPropranolol Hcl11suppressed
Spiriva HandihalerTiotropium Bromide11suppressed

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