Healthcare provider profile · identity verified

Robert A Gahl, M.D.

Family Practice · TWO RIVERS, WI · NPI 1295729366

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 Calcium427120
Losartan PotassiumLosartan Potassium31091
OmeprazoleOmeprazole27986
FurosemideFurosemide25158
Amlodipine BesylateAmlodipine Besylate24171
LisinoprilLisinopril23767
Levothyroxine SodiumLevothyroxine Sodium21648
EliquisApixaban19633
Metoprolol SuccinateMetoprolol Succinate19459
AllopurinolAllopurinol15244
Metoprolol TartrateMetoprolol Tartrate14944
AlprazolamAlprazolam14334
Metformin Hcl ErMetformin Hcl13543
GabapentinGabapentin13442
Sertraline HclSertraline Hcl13436
Tamsulosin HclTamsulosin Hcl11634
ChlorthalidoneChlorthalidone10431
Rosuvastatin CalciumRosuvastatin Calcium10334
Diltiazem 24hr Er (Cd)Diltiazem Hcl9929
FamotidineFamotidine9430
SimvastatinSimvastatin8926
AtenololAtenolol8621
PrednisonePrednisone8641
Quetiapine FumarateQuetiapine Fumarate8620
HydrochlorothiazideHydrochlorothiazide8323
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine8211
MeloxicamMeloxicam8122
Warfarin SodiumWarfarin Sodium7624
Pantoprazole SodiumPantoprazole Sodium7519
Tramadol HclTramadol Hcl7418
Metformin HclMetformin Hcl7224
Zolpidem TartrateZolpidem Tartrate6924
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen6715
LorazepamLorazepam6316
Pioglitazone HclPioglitazone Hcl6320
Albuterol Sulfate HfaAlbuterol Sulfate6213
Lantus SolostarInsulin Glargine,hum.Rec.Anlog6114
FinasterideFinasteride6018
SpironolactoneSpironolactone5820
ArexvyRsvpref3 Antigen/As01e/Pf5757
AripiprazoleAripiprazole5712
Citalopram HbrCitalopram Hydrobromide5414
LovastatinLovastatin5113
Potassium ChloridePotassium Chloride4917
Ropinirole HclRopinirole Hcl4912
AzithromycinAzithromycin4839
CephalexinCephalexin4536
Enalapril MaleateEnalapril Maleate4512
Hydralazine HclHydralazine Hcl4513
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate45suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf4226
Bupropion XlBupropion Hcl4113
Trazodone HclTrazodone Hcl4111
Montelukast SodiumMontelukast Sodium3913
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine37suppressed
GlipizideGlipizide3715
Oxybutynin Chloride ErOxybutynin Chloride35suppressed
Oxycodone HclOxycodone Hcl35suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide34suppressed
ClonazepamClonazepam3311
Cyclobenzaprine HclCyclobenzaprine Hcl33suppressed
LevofloxacinLevofloxacin3324
Methenamine HippurateMethenamine Hippurate33suppressed
Acetaminophen-CodeineAcetaminophen With Codeine32suppressed
Venlafaxine Hcl ErVenlafaxine Hcl32suppressed
ClopidogrelClopidogrel Bisulfate3113
PregabalinPregabalin31suppressed
Terazosin HclTerazosin Hcl31suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide30suppressed
FluconazoleFluconazole2912
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2822
Carbidopa-LevodopaCarbidopa/Levodopa28suppressed
CarvedilolCarvedilol28suppressed
Fluoxetine HclFluoxetine Hcl26suppressed
Escitalopram OxalateEscitalopram Oxalate25suppressed
Oxybutynin ChlorideOxybutynin Chloride25suppressed
Ciprofloxacin HclCiprofloxacin Hcl2420
Alfuzosin Hcl ErAlfuzosin Hcl23suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac2323
Bupropion Hcl SrBupropion Hcl23suppressed
Alendronate SodiumAlendronate Sodium22suppressed
Diltiazem 24hr ErDiltiazem Hcl22suppressed
XareltoRivaroxaban22suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen21suppressed
Paroxetine HclParoxetine Hcl21suppressed
Tizanidine HclTizanidine Hcl20suppressed
AmoxicillinAmoxicillin1911
Clonidine HclClonidine Hcl19suppressed
DiazepamDiazepam19suppressed
LantusInsulin Glargine,hum.Rec.Anlog19suppressed
Bupropion HclBupropion Hcl18suppressed
FenofibrateFenofibrate18suppressed
Fludrocortisone AcetateFludrocortisone Acetate18suppressed
BudesonideBudesonide17suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol17suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate17suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1711
CelecoxibCelecoxib16suppressed
Divalproex SodiumDivalproex Sodium16suppressed
EstradiolEstradiol16suppressed
Fluticasone PropionateFluticasone Propionate16suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog15suppressed
EszopicloneEszopiclone15suppressed
LansoprazoleLansoprazole15suppressed
LoperamideLoperamide Hcl15suppressed
Methylphenidate HclMethylphenidate Hcl15suppressed
Metoclopramide HclMetoclopramide Hcl15suppressed
Ondansetron HclOndansetron Hcl15suppressed
TopiramateTopiramate15suppressed
Valproic AcidValproic Acid (As Sodium Salt)15suppressed
BaclofenBaclofen14suppressed
Buspirone HclBuspirone Hcl14suppressed
CarbamazepineCarbamazepine14suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate14suppressed
MethotrexateMethotrexate Sodium14suppressed
Amiodarone HclAmiodarone Hcl13suppressed
Chlorhexidine GluconateChlorhexidine Gluconate13suppressed
Duloxetine HclDuloxetine Hcl13suppressed
Folic AcidFolic Acid13suppressed
LatanoprostLatanoprost13suppressed
Lidocaine HclLidocaine Hcl13suppressed
Meclizine HclMeclizine Hcl13suppressed
Tolterodine Tartrate ErTolterodine Tartrate13suppressed
TradjentaLinagliptin13suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic13suppressed
ValsartanValsartan13suppressed
JardianceEmpagliflozin12suppressed
LamotrigineLamotrigine12suppressed
LevetiracetamLevetiracetam12suppressed
PaxlovidNirmatrelvir/Ritonavir1212
RisperidoneRisperidone12suppressed
SavellaMilnacipran Hcl12suppressed
Thioridazine HclThioridazine Hcl12suppressed
Benazepril HclBenazepril Hcl11suppressed
Combivent RespimatIpratropium/Albuterol Sulfate11suppressed
Dextroamphetamine SulfateDextroamphetamine Sulfate11suppressed
Donepezil HclDonepezil Hcl11suppressed
HydrocortisoneHydrocortisone11suppressed
Insulin Aspart FlexpenInsulin Aspart11suppressed
Nebivolol HclNebivolol Hcl11suppressed
Varenicline TartrateVarenicline Tartrate11suppressed

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