Healthcare provider profile · identity verified

Stephen P Nordmark, MD

Internal Medicine · DETROIT LAKES, MN · NPI 1427075985

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 Calcium517138
Amlodipine BesylateAmlodipine Besylate468134
LisinoprilLisinopril444117
Losartan PotassiumLosartan Potassium35391
Metoprolol SuccinateMetoprolol Succinate35395
SimvastatinSimvastatin28059
HydrochlorothiazideHydrochlorothiazide27270
OmeprazoleOmeprazole20863
Tamsulosin HclTamsulosin Hcl19255
Metformin Hcl ErMetformin Hcl18848
Metoprolol TartrateMetoprolol Tartrate18852
AllopurinolAllopurinol18648
Levothyroxine SodiumLevothyroxine Sodium18246
EliquisApixaban17532
Pantoprazole SodiumPantoprazole Sodium17431
FurosemideFurosemide17345
Sertraline HclSertraline Hcl16840
Metformin HclMetformin Hcl16335
Pravastatin SodiumPravastatin Sodium15941
Rosuvastatin CalciumRosuvastatin Calcium13241
GabapentinGabapentin13135
Glipizide ErGlipizide11525
CarvedilolCarvedilol11427
Potassium ChloridePotassium Chloride10420
ClopidogrelClopidogrel Bisulfate10128
Warfarin SodiumWarfarin Sodium9931
Lantus SolostarInsulin Glargine,hum.Rec.Anlog8616
Tramadol HclTramadol Hcl8616
FamotidineFamotidine7618
Fluticasone PropionateFluticasone Propionate7634
Trazodone HclTrazodone Hcl7324
AtenololAtenolol6717
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6613
OzempicSemaglutide6311
FinasterideFinasteride6213
Albuterol Sulfate HfaAlbuterol Sulfate5324
EzetimibeEzetimibe5111
SpironolactoneSpironolactone5115
Buspirone HclBuspirone Hcl49suppressed
Bupropion XlBupropion Hcl48suppressed
Donepezil HclDonepezil Hcl47suppressed
XareltoRivaroxaban45suppressed
MeloxicamMeloxicam44suppressed
JanuviaSitagliptin Phosphate43suppressed
Zolpidem TartrateZolpidem Tartrate43suppressed
Citalopram HbrCitalopram Hydrobromide4212
Humalog Kwikpen U-100Insulin Lispro42suppressed
Divalproex Sodium ErDivalproex Sodium40suppressed
Terazosin HclTerazosin Hcl40suppressed
Duloxetine HclDuloxetine Hcl3911
NitroglycerinNitroglycerin3835
Alendronate SodiumAlendronate Sodium36suppressed
JardianceEmpagliflozin36suppressed
Tizanidine HclTizanidine Hcl3615
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid36suppressed
ClonazepamClonazepam34suppressed
Klor-Con M20Potassium Chloride3412
Hydralazine HclHydralazine Hcl32suppressed
ChlorthalidoneChlorthalidone31suppressed
MirtazapineMirtazapine31suppressed
AmoxicillinAmoxicillin2917
Montelukast SodiumMontelukast Sodium29suppressed
Novolog FlexpenInsulin Aspart29suppressed
Amitriptyline HclAmitriptyline Hcl28suppressed
Propranolol Hcl ErPropranolol Hcl28suppressed
BumetanideBumetanide26suppressed
PrednisonePrednisone2611
Hydroxyzine HclHydroxyzine Hcl25suppressed
Fluoxetine HclFluoxetine Hcl24suppressed
JantovenWarfarin Sodium24suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl23suppressed
Doxazosin MesylateDoxazosin Mesylate22suppressed
Benztropine MesylateBenztropine Mesylate21suppressed
Incruse ElliptaUmeclidinium Bromide21suppressed
PregabalinPregabalin21suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl20suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide20suppressed
MethimazoleMethimazole18suppressed
SotalolSotalol Hcl18suppressed
Amiodarone HclAmiodarone Hcl17suppressed
Meclizine HclMeclizine Hcl17suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim17suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
AlprazolamAlprazolam16suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate16suppressed
CalcitriolCalcitriol15suppressed
GlimepirideGlimepiride15suppressed
NaproxenNaproxen15suppressed
Propranolol HclPropranolol Hcl15suppressed
Repatha SureclickEvolocumab15suppressed
Tiadylt ErDiltiazem Hcl15suppressed
TorsemideTorsemide15suppressed
Venlafaxine Hcl ErVenlafaxine Hcl15suppressed
Ventolin HfaAlbuterol Sulfate1512
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate14suppressed
AzithromycinAzithromycin13suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
Memantine HclMemantine Hcl13suppressed
CephalexinCephalexin12suppressed
Escitalopram OxalateEscitalopram Oxalate12suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst12suppressed
Oxybutynin Chloride ErOxybutynin Chloride12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Varenicline TartrateVarenicline Tartrate12suppressed
Benazepril HclBenazepril Hcl11suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide11suppressed
FenofibrateFenofibrate Nanocrystallized11suppressed
HydrocortisoneHydrocortisone11suppressed
NystatinNystatin11suppressed

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