Healthcare provider profile · identity verified

Leanne K Hahn, MD

Family Practice · JANESVILLE, WI · NPI 1730268897

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
Levothyroxine SodiumLevothyroxine Sodium559117
OmeprazoleOmeprazole418113
Atorvastatin CalciumAtorvastatin Calcium408113
Metformin Hcl ErMetformin Hcl29481
Amlodipine BesylateAmlodipine Besylate24960
Losartan PotassiumLosartan Potassium24865
Rosuvastatin CalciumRosuvastatin Calcium22660
Sertraline HclSertraline Hcl21758
LisinoprilLisinopril20852
GabapentinGabapentin18347
SimvastatinSimvastatin18048
Metoprolol SuccinateMetoprolol Succinate16243
HydrochlorothiazideHydrochlorothiazide14040
FurosemideFurosemide11530
Trazodone HclTrazodone Hcl10235
FamotidineFamotidine9528
Pantoprazole SodiumPantoprazole Sodium9528
AtenololAtenolol9325
Fluticasone PropionateFluticasone Propionate9346
Buspirone HclBuspirone Hcl9025
EliquisApixaban7818
Venlafaxine Hcl ErVenlafaxine Hcl7617
Albuterol Sulfate HfaAlbuterol Sulfate7532
Montelukast SodiumMontelukast Sodium7220
Alendronate SodiumAlendronate Sodium6221
Bupropion XlBupropion Hcl6215
Duloxetine HclDuloxetine Hcl6011
SpironolactoneSpironolactone6012
Citalopram HbrCitalopram Hydrobromide5514
CarvedilolCarvedilol5217
FenofibrateFenofibrate,micronized5213
JardianceEmpagliflozin5115
Amitriptyline HclAmitriptyline Hcl5015
Pravastatin SodiumPravastatin Sodium5013
Colestipol HclColestipol Hcl4913
XareltoRivaroxaban46suppressed
Escitalopram OxalateEscitalopram Oxalate4417
JanuviaSitagliptin Phosphate4014
Metoprolol TartrateMetoprolol Tartrate40suppressed
Fluoxetine HclFluoxetine Hcl3912
Diltiazem 24hr Er (Cd)Diltiazem Hcl35suppressed
Glipizide ErGlipizide35suppressed
EzetimibeEzetimibe3412
AllopurinolAllopurinol33suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3316
GemfibrozilGemfibrozil33suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide32suppressed
Terazosin HclTerazosin Hcl31suppressed
Ventolin HfaAlbuterol Sulfate3013
Metformin HclMetformin Hcl28suppressed
Paroxetine HclParoxetine Hcl28suppressed
ClonazepamClonazepam27suppressed
ClopidogrelClopidogrel Bisulfate27suppressed
LovastatinLovastatin27suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide26suppressed
Nortriptyline HclNortriptyline Hcl26suppressed
Oxybutynin Chloride ErOxybutynin Chloride26suppressed
Ropinirole HclRopinirole Hcl26suppressed
Donepezil HclDonepezil Hcl25suppressed
Sumatriptan SuccinateSumatriptan Succinate25suppressed
CephalexinCephalexin2418
Ciprofloxacin HclCiprofloxacin Hcl2419
IbuprofenIbuprofen24suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2417
SynthroidLevothyroxine Sodium24suppressed
Hydroxyzine HclHydroxyzine Hcl23suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2222
NystatinNystatin22suppressed
NaproxenNaproxen21suppressed
CelecoxibCelecoxib20suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2019
Potassium ChloridePotassium Chloride20suppressed
Tizanidine HclTizanidine Hcl19suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium18suppressed
LansoprazoleLansoprazole18suppressed
Tramadol HclTramadol Hcl1811
EstradiolEstradiol17suppressed
FenofibrateFenofibrate17suppressed
ValsartanValsartan17suppressed
CefdinirCefdinir1614
Enalapril MaleateEnalapril Maleate16suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog16suppressed
ValacyclovirValacyclovir Hcl16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
MirtazapineMirtazapine15suppressed
OzempicSemaglutide15suppressed
Arnuity ElliptaFluticasone Furoate14suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine14suppressed
Olmesartan MedoxomilOlmesartan Medoxomil14suppressed
Tamsulosin HclTamsulosin Hcl14suppressed
AzithromycinAzithromycin1313
Ondansetron OdtOndansetron1311
Probenecid-ColchicineProbenecid/Colchicine13suppressed
BaclofenBaclofen12suppressed
Incruse ElliptaUmeclidinium Bromide12suppressed
Meclizine HclMeclizine Hcl12suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1212
Tolterodine Tartrate ErTolterodine Tartrate12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
AmoxicillinAmoxicillin11suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
Klor-Con M20Potassium Chloride11suppressed
MeloxicamMeloxicam11suppressed
Memantine Hcl ErMemantine Hcl11suppressed
MetronidazoleMetronidazole11suppressed
PremarinEstrogens, Conjugated11suppressed
Verapamil ErVerapamil Hcl11suppressed

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