Healthcare provider profile · identity verified

Robert Schellinger, MD

Family Practice · WAUKESHA, WI · NPI 1558433409

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 Calcium407157
LisinoprilLisinopril25197
Losartan PotassiumLosartan Potassium22589
Amlodipine BesylateAmlodipine Besylate21374
OmeprazoleOmeprazole20466
Levothyroxine SodiumLevothyroxine Sodium19778
EliquisApixaban17542
SimvastatinSimvastatin17361
Metoprolol SuccinateMetoprolol Succinate16263
Pantoprazole SodiumPantoprazole Sodium15251
Metformin Hcl ErMetformin Hcl12241
Rosuvastatin CalciumRosuvastatin Calcium11742
FurosemideFurosemide11437
Sertraline HclSertraline Hcl10930
HydrochlorothiazideHydrochlorothiazide10548
GabapentinGabapentin9436
Metformin HclMetformin Hcl8430
Tamsulosin HclTamsulosin Hcl8136
Duloxetine HclDuloxetine Hcl7725
Escitalopram OxalateEscitalopram Oxalate7432
PrednisonePrednisone7050
XareltoRivaroxaban6612
AtenololAtenolol6321
Metoprolol TartrateMetoprolol Tartrate6319
Venlafaxine Hcl ErVenlafaxine Hcl6315
Tramadol HclTramadol Hcl6216
CarvedilolCarvedilol6124
Bupropion XlBupropion Hcl5917
MeloxicamMeloxicam5920
Montelukast SodiumMontelukast Sodium5819
Citalopram HbrCitalopram Hydrobromide5714
Fluticasone PropionateFluticasone Propionate5421
Pravastatin SodiumPravastatin Sodium5224
Albuterol Sulfate HfaAlbuterol Sulfate4934
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4921
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4315
Alendronate SodiumAlendronate Sodium4111
AllopurinolAllopurinol4118
SpironolactoneSpironolactone4112
Zolpidem TartrateZolpidem Tartrate4115
Diltiazem 24hr Er (Cd)Diltiazem Hcl4013
ClopidogrelClopidogrel Bisulfate3918
Diclofenac SodiumDiclofenac Sodium3819
LorazepamLorazepam38suppressed
Potassium ChloridePotassium Chloride3718
Warfarin SodiumWarfarin Sodium3516
JardianceEmpagliflozin33suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3315
OzempicSemaglutide33suppressed
JanuviaSitagliptin Phosphate32suppressed
Trazodone HclTrazodone Hcl3212
ValsartanValsartan32suppressed
Fluoxetine HclFluoxetine Hcl3013
RybelsusSemaglutide29suppressed
Terazosin HclTerazosin Hcl2811
Glipizide ErGlipizide2711
EzetimibeEzetimibe25suppressed
GlimepirideGlimepiride2511
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid25suppressed
Enalapril MaleateEnalapril Maleate2411
LovastatinLovastatin24suppressed
Oxybutynin Chloride ErOxybutynin Chloride24suppressed
Spiriva HandihalerTiotropium Bromide23suppressed
AmoxicillinAmoxicillin2217
Quetiapine FumarateQuetiapine Fumarate22suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl21suppressed
ClonazepamClonazepam20suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium19suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol18suppressed
PrimidonePrimidone18suppressed
IrbesartanIrbesartan17suppressed
Tizanidine HclTizanidine Hcl17suppressed
AlprazolamAlprazolam1613
CarbamazepineCarbamazepine16suppressed
ChlorthalidoneChlorthalidone16suppressed
Combivent RespimatIpratropium/Albuterol Sulfate16suppressed
MirtazapineMirtazapine16suppressed
PregabalinPregabalin16suppressed
Propranolol Hcl ErPropranolol Hcl16suppressed
Ranolazine ErRanolazine16suppressed
SymbicortBudesonide/Formoterol Fumarate16suppressed
Buspirone HclBuspirone Hcl15suppressed
FenofibrateFenofibrate Nanocrystallized15suppressed
Ventolin HfaAlbuterol Sulfate15suppressed
FamotidineFamotidine14suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate14suppressed
MethotrexateMethotrexate Sodium14suppressed
Ropinirole HclRopinirole Hcl14suppressed
Soliqua 100-33Insulin Glargine/Lixisenatide14suppressed
SynthroidLevothyroxine Sodium14suppressed
Vitamin D2Ergocalciferol (Vitamin D2)14suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Carbidopa-LevodopaCarbidopa/Levodopa12suppressed
CephalexinCephalexin12suppressed
Doxycycline HyclateDoxycycline Hyclate12suppressed
Hydralazine HclHydralazine Hcl12suppressed
MounjaroTirzepatide12suppressed
Propranolol HclPropranolol Hcl12suppressed
Amiodarone HclAmiodarone Hcl11suppressed
CelecoxibCelecoxib11suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
FenofibrateFenofibrate11suppressed
Memantine HclMemantine Hcl11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed

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