Healthcare provider profile · identity verified

Mark R Brumm, MD

Family Practice · LA CROSSE, WI · NPI 1780674283

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 Calcium596158
Amlodipine BesylateAmlodipine Besylate502153
OmeprazoleOmeprazole35182
SimvastatinSimvastatin29275
LisinoprilLisinopril28179
Metoprolol SuccinateMetoprolol Succinate26768
Losartan PotassiumLosartan Potassium23966
Metformin Hcl ErMetformin Hcl22051
Tamsulosin HclTamsulosin Hcl22052
Levothyroxine SodiumLevothyroxine Sodium19548
Metformin HclMetformin Hcl18242
HydrochlorothiazideHydrochlorothiazide17751
GabapentinGabapentin15844
EliquisApixaban15432
Rosuvastatin CalciumRosuvastatin Calcium14445
Metoprolol TartrateMetoprolol Tartrate12732
Pantoprazole SodiumPantoprazole Sodium12737
GlimepirideGlimepiride12230
Warfarin SodiumWarfarin Sodium11326
Escitalopram OxalateEscitalopram Oxalate10827
FurosemideFurosemide10231
Albuterol Sulfate HfaAlbuterol Sulfate9226
JardianceEmpagliflozin8721
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8725
Duloxetine HclDuloxetine Hcl8621
Potassium ChloridePotassium Chloride8324
Trazodone HclTrazodone Hcl8221
FinasterideFinasteride7919
Alendronate SodiumAlendronate Sodium7820
TrulicityDulaglutide7613
Glipizide ErGlipizide7314
Fluticasone PropionateFluticasone Propionate6923
XareltoRivaroxaban6815
CarvedilolCarvedilol6518
Pravastatin SodiumPravastatin Sodium6119
SpironolactoneSpironolactone6013
Sertraline HclSertraline Hcl5719
PregabalinPregabalin5412
EzetimibeEzetimibe5112
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5116
ClopidogrelClopidogrel Bisulfate49suppressed
Tramadol HclTramadol Hcl4713
Fluoxetine HclFluoxetine Hcl4612
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4613
MounjaroTirzepatide46suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4513
AtenololAtenolol4313
Oxycodone HclOxycodone Hcl4317
Citalopram HbrCitalopram Hydrobromide41suppressed
AllopurinolAllopurinol3813
Zolpidem TartrateZolpidem Tartrate37suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter35suppressed
Pioglitazone HclPioglitazone Hcl34suppressed
TorsemideTorsemide34suppressed
Bisoprolol FumarateBisoprolol Fumarate32suppressed
ChlorthalidoneChlorthalidone32suppressed
LovastatinLovastatin30suppressed
Bupropion XlBupropion Hcl29suppressed
FamotidineFamotidine29suppressed
LorazepamLorazepam2815
Paroxetine HclParoxetine Hcl28suppressed
SymbicortBudesonide/Formoterol Fumarate28suppressed
PrednisonePrednisone2713
Isosorbide Mononitrate ErIsosorbide Mononitrate26suppressed
Methadone HclMethadone Hcl26suppressed
NitroglycerinNitroglycerin2614
Triamcinolone AcetonideTriamcinolone Acetonide2414
Ventolin HfaAlbuterol Sulfate23suppressed
DiazepamDiazepam22suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl22suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol21suppressed
NystatinNystatin21suppressed
Breo ElliptaFluticasone/Vilanterol20suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl20suppressed
Ipratropium BromideIpratropium Bromide20suppressed
LevetiracetamLevetiracetam20suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide20suppressed
Bupropion Hcl SrBupropion Hcl19suppressed
MirtazapineMirtazapine19suppressed
Montelukast SodiumMontelukast Sodium19suppressed
AlprazolamAlprazolam18suppressed
Hydralazine HclHydralazine Hcl18suppressed
Sumatriptan SuccinateSumatriptan Succinate18suppressed
AripiprazoleAripiprazole17suppressed
CarbamazepineCarbamazepine17suppressed
Desmopressin AcetateDesmopressin Acetate17suppressed
BaclofenBaclofen16suppressed
CephalexinCephalexin16suppressed
EntrestoSacubitril/Valsartan16suppressed
KetoconazoleKetoconazole16suppressed
LatanoprostLatanoprost16suppressed
CilostazolCilostazol15suppressed
Donepezil HclDonepezil Hcl15suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)15suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro15suppressed
LactuloseLactulose15suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic15suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid15suppressed
Venlafaxine Hcl ErVenlafaxine Hcl15suppressed
DapsoneDapsone14suppressed
LamotrigineLamotrigine14suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen14suppressed
Tizanidine HclTizanidine Hcl14suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic14suppressed
Atenolol-ChlorthalidoneAtenolol/Chlorthalidone13suppressed
AzithromycinAzithromycin13suppressed
Combivent RespimatIpratropium/Albuterol Sulfate13suppressed
Divalproex SodiumDivalproex Sodium13suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat13suppressed
LansoprazoleLansoprazole13suppressed
MetronidazoleMetronidazole13suppressed
OlanzapineOlanzapine13suppressed
Synjardy XrEmpagliflozin/Metformin Hcl13suppressed
CelecoxibCelecoxib12suppressed
Doxycycline HyclateDoxycycline Hyclate1211
LinzessLinaclotide12suppressed
MeloxicamMeloxicam12suppressed
MethocarbamolMethocarbamol12suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1212
Spiriva RespimatTiotropium Bromide12suppressed
AcyclovirAcyclovir11suppressed
FentanylFentanyl11suppressed
Fludrocortisone AcetateFludrocortisone Acetate11suppressed
GlipizideGlipizide11suppressed
Klor-Con M20Potassium Chloride11suppressed
Propranolol Hcl ErPropranolol Hcl11suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog11suppressed

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