Healthcare provider profile · identity verified

Stephen T Holthaus, MD

Family Practice · RICE LAKE, WI · NPI 1386756732

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 Calcium460121
LisinoprilLisinopril23367
Amlodipine BesylateAmlodipine Besylate23169
Losartan PotassiumLosartan Potassium19661
OmeprazoleOmeprazole19653
Metoprolol TartrateMetoprolol Tartrate18142
Levothyroxine SodiumLevothyroxine Sodium17846
HydrochlorothiazideHydrochlorothiazide16047
Tramadol HclTramadol Hcl15630
FurosemideFurosemide14734
Metformin HclMetformin Hcl14640
Tamsulosin HclTamsulosin Hcl11330
Potassium ChloridePotassium Chloride11133
SimvastatinSimvastatin10728
EliquisApixaban10324
Metoprolol SuccinateMetoprolol Succinate9927
Warfarin SodiumWarfarin Sodium8817
Sertraline HclSertraline Hcl8422
Glipizide ErGlipizide8322
ClopidogrelClopidogrel Bisulfate7818
Rosuvastatin CalciumRosuvastatin Calcium7726
FamotidineFamotidine7418
Pantoprazole SodiumPantoprazole Sodium6819
XareltoRivaroxaban6419
Metformin Hcl ErMetformin Hcl6214
Fluticasone PropionateFluticasone Propionate6024
GabapentinGabapentin5619
Albuterol Sulfate HfaAlbuterol Sulfate5121
FinasterideFinasteride5112
Fluoxetine HclFluoxetine Hcl5112
AtenololAtenolol5018
Semglee (Yfgn) PenInsulin Glargine-Yfgn49suppressed
AllopurinolAllopurinol4614
Citalopram HbrCitalopram Hydrobromide4513
Isosorbide Mononitrate ErIsosorbide Mononitrate4111
Trazodone HclTrazodone Hcl4115
Breo ElliptaFluticasone/Vilanterol40suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3711
Alendronate SodiumAlendronate Sodium34suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3311
AlprazolamAlprazolam32suppressed
CarvedilolCarvedilol32suppressed
Solifenacin SuccinateSolifenacin Succinate31suppressed
Duloxetine HclDuloxetine Hcl29suppressed
SpironolactoneSpironolactone29suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide28suppressed
LorazepamLorazepam28suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl28suppressed
OzempicSemaglutide27suppressed
Pravastatin SodiumPravastatin Sodium27suppressed
PregabalinPregabalin27suppressed
ClonazepamClonazepam26suppressed
Novolog FlexpenInsulin Aspart26suppressed
EzetimibeEzetimibe25suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog24suppressed
PrednisonePrednisone22suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl20suppressed
Amitriptyline HclAmitriptyline Hcl19suppressed
DofetilideDofetilide19suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1915
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid19suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc18suppressed
JardianceEmpagliflozin18suppressed
NitroglycerinNitroglycerin1815
NystatinNystatin18suppressed
Doxazosin MesylateDoxazosin Mesylate17suppressed
EplerenoneEplerenone17suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)17suppressed
Montelukast SodiumMontelukast Sodium17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
MeloxicamMeloxicam16suppressed
Oxycodone HclOxycodone Hcl16suppressed
ValacyclovirValacyclovir Hcl16suppressed
Easy Touch Alcohol Prep PadsAlcohol Antiseptic Pads15suppressed
Spiriva HandihalerTiotropium Bromide15suppressed
TelmisartanTelmisartan15suppressed
Insulin Aspart FlexpenInsulin Aspart14suppressed
Repatha SyringeEvolocumab14suppressed
Semglee (Yfgn)Insulin Glargine-Yfgn14suppressed
Tizanidine HclTizanidine Hcl14suppressed
GlipizideGlipizide13suppressed
Incruse ElliptaUmeclidinium Bromide13suppressed
Ropinirole HclRopinirole Hcl13suppressed
Valproic AcidValproic Acid13suppressed
Enalapril MaleateEnalapril Maleate12suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium12suppressed
IbuprofenIbuprofen12suppressed
LinzessLinaclotide12suppressed
MirtazapineMirtazapine12suppressed
MounjaroTirzepatide12suppressed
Propranolol Hcl ErPropranolol Hcl12suppressed
ValsartanValsartan12suppressed
BaclofenBaclofen11suppressed
ChlorthalidoneChlorthalidone11suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl11suppressed
DexamethasoneDexamethasone11suppressed
Doxycycline MonohydrateDoxycycline Monohydrate11suppressed
LevetiracetamLevetiracetam11suppressed
LovastatinLovastatin11suppressed
TrulicityDulaglutide11suppressed

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