Healthcare provider profile · identity verified

Gary J Grunow, MD

Family Practice · MINERAL POINT, WI · NPI 1851386718

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 Calcium487142
OmeprazoleOmeprazole375107
Levothyroxine SodiumLevothyroxine Sodium32171
Amlodipine BesylateAmlodipine Besylate30282
LisinoprilLisinopril26469
SimvastatinSimvastatin23560
FurosemideFurosemide23365
Losartan PotassiumLosartan Potassium23363
GabapentinGabapentin22563
Metoprolol SuccinateMetoprolol Succinate21464
Rosuvastatin CalciumRosuvastatin Calcium20553
Metoprolol TartrateMetoprolol Tartrate19855
HydrochlorothiazideHydrochlorothiazide19255
Metformin HclMetformin Hcl19252
EliquisApixaban16634
PrednisonePrednisone14177
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12639
Tamsulosin HclTamsulosin Hcl12543
Warfarin SodiumWarfarin Sodium11626
Glipizide ErGlipizide11233
OzempicSemaglutide10616
Oxycodone HclOxycodone Hcl10520
Pantoprazole SodiumPantoprazole Sodium10427
AllopurinolAllopurinol9830
Albuterol Sulfate HfaAlbuterol Sulfate9334
Lantus SolostarInsulin Glargine,hum.Rec.Anlog8915
Montelukast SodiumMontelukast Sodium8726
Trazodone HclTrazodone Hcl8723
LorazepamLorazepam8620
AmoxicillinAmoxicillin8447
Tramadol HclTramadol Hcl8019
Fluticasone PropionateFluticasone Propionate7932
Metformin Hcl ErMetformin Hcl7924
Enalapril MaleateEnalapril Maleate7520
AtenololAtenolol7418
AlprazolamAlprazolam7315
Cyclobenzaprine HclCyclobenzaprine Hcl7322
Morphine Sulfate ErMorphine Sulfate7211
ClonazepamClonazepam7116
FinasterideFinasteride7115
Citalopram HbrCitalopram Hydrobromide6919
MirtazapineMirtazapine6616
CarvedilolCarvedilol6518
Fluoxetine HclFluoxetine Hcl6517
SpironolactoneSpironolactone6517
Oxybutynin Chloride ErOxybutynin Chloride5715
Sertraline HclSertraline Hcl5718
GlipizideGlipizide5617
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen54suppressed
ClopidogrelClopidogrel Bisulfate5120
Potassium ChloridePotassium Chloride4917
XareltoRivaroxaban4913
MeloxicamMeloxicam4817
TrulicityDulaglutide48suppressed
Diclofenac SodiumDiclofenac Sodium4712
Triamcinolone AcetonideTriamcinolone Acetonide4623
AzithromycinAzithromycin4532
Pravastatin SodiumPravastatin Sodium4511
FentanylFentanyl43suppressed
ChlorthalidoneChlorthalidone4212
Diltiazem 24hr Er (Cd)Diltiazem Hcl4212
Trelegy ElliptaFluticasone/Umeclidin/Vilanter41suppressed
Duloxetine HclDuloxetine Hcl4011
DiazepamDiazepam39suppressed
EzetimibeEzetimibe3913
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog36suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide36suppressed
Oxybutynin ChlorideOxybutynin Chloride36suppressed
Tizanidine HclTizanidine Hcl3612
Doxycycline MonohydrateDoxycycline Monohydrate3529
LovastatinLovastatin35suppressed
FamotidineFamotidine34suppressed
IbuprofenIbuprofen3411
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide34suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid33suppressed
Amitriptyline HclAmitriptyline Hcl30suppressed
Escitalopram OxalateEscitalopram Oxalate30suppressed
IrbesartanIrbesartan30suppressed
Methylphenidate HclMethylphenidate Hcl29suppressed
Ondansetron OdtOndansetron2815
Propranolol HclPropranolol Hcl28suppressed
Ciprofloxacin HclCiprofloxacin Hcl2719
Ventolin HfaAlbuterol Sulfate27suppressed
EstradiolEstradiol26suppressed
Venlafaxine Hcl ErVenlafaxine Hcl26suppressed
Benazepril HclBenazepril Hcl25suppressed
CephalexinCephalexin2516
SymbicortBudesonide/Formoterol Fumarate25suppressed
ValacyclovirValacyclovir Hcl2511
Quetiapine FumarateQuetiapine Fumarate24suppressed
Zolpidem TartrateZolpidem Tartrate24suppressed
Labetalol HclLabetalol Hcl23suppressed
PregabalinPregabalin23suppressed
LatanoprostLatanoprost22suppressed
Paroxetine HclParoxetine Hcl22suppressed
Timolol MaleateTimolol Maleate22suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2117
Terazosin HclTerazosin Hcl21suppressed
Doxazosin MesylateDoxazosin Mesylate20suppressed
Hydralazine HclHydralazine Hcl20suppressed
AcyclovirAcyclovir19suppressed
NystatinNystatin1912
RisperidoneRisperidone19suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine18suppressed
Humalog Kwikpen U-100Insulin Lispro18suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate18suppressed
PrimidonePrimidone18suppressed
TopiramateTopiramate18suppressed
NabumetoneNabumetone17suppressed
Bupropion XlBupropion Hcl16suppressed
TemazepamTemazepam16suppressed
Tresiba Flextouch U-100Insulin Degludec16suppressed
ValsartanValsartan16suppressed
Alendronate SodiumAlendronate Sodium15suppressed
LidocaineLidocaine15suppressed
Memantine HclMemantine Hcl15suppressed
Morphine SulfateMorphine Sulfate15suppressed
Ropinirole HclRopinirole Hcl15suppressed
VascepaIcosapent Ethyl15suppressed
Buspirone HclBuspirone Hcl14suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium14suppressed
SsdSilver Sulfadiazine14suppressed
Tresiba Flextouch U-200Insulin Degludec14suppressed
Acetaminophen-CodeineAcetaminophen With Codeine13suppressed
AcetazolamideAcetazolamide13suppressed
BrilintaTicagrelor13suppressed
ColchicineColchicine13suppressed
LantusInsulin Glargine,hum.Rec.Anlog13suppressed
NitroglycerinNitroglycerin13suppressed
Novolog FlexpenInsulin Aspart13suppressed
OxycontinOxycodone Hcl13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
Sure Comfort Pen NeedlePen Needle, Diabetic13suppressed
Tenofovir Disoproxil FumarateTenofovir Disoproxil Fumarate13suppressed
Verapamil ErVerapamil Hcl13suppressed
Amiodarone HclAmiodarone Hcl12suppressed
DigoxinDigoxin12suppressed
Dorzolamide HclDorzolamide Hcl12suppressed
FarxigaDapagliflozin Propanediol12suppressed
GemfibrozilGemfibrozil12suppressed
LevetiracetamLevetiracetam12suppressed
LoperamideLoperamide Hcl12suppressed
Methadone HclMethadone Hcl12suppressed
Nifedipine ErNifedipine12suppressed
RivastigmineRivastigmine Tartrate12suppressed
SulfasalazineSulfasalazine12suppressed
Bupropion Hcl SrBupropion Hcl11suppressed
Dexmethylphenidate HclDexmethylphenidate Hcl11suppressed
FluconazoleFluconazole11suppressed
JardianceEmpagliflozin11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
Victoza 3-PakLiraglutide11suppressed

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