Healthcare provider profile · identity verified

Leah N Ederer, MD

Family Practice · SAUK CITY, WI · NPI 1689643975

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 Calcium469126
Levothyroxine SodiumLevothyroxine Sodium32771
OmeprazoleOmeprazole28279
LisinoprilLisinopril27366
Amlodipine BesylateAmlodipine Besylate26772
Losartan PotassiumLosartan Potassium15446
Rosuvastatin CalciumRosuvastatin Calcium14938
Duloxetine HclDuloxetine Hcl14028
Alendronate SodiumAlendronate Sodium13837
Metformin Hcl ErMetformin Hcl13432
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13137
FurosemideFurosemide11826
HydrochlorothiazideHydrochlorothiazide11137
Bupropion XlBupropion Hcl10923
Metformin HclMetformin Hcl10928
SimvastatinSimvastatin10831
FamotidineFamotidine10641
GabapentinGabapentin10627
Metoprolol SuccinateMetoprolol Succinate10427
Metoprolol TartrateMetoprolol Tartrate10425
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide10030
Sertraline HclSertraline Hcl9722
Potassium ChloridePotassium Chloride8215
Trazodone HclTrazodone Hcl7823
Escitalopram OxalateEscitalopram Oxalate7519
JardianceEmpagliflozin72suppressed
CarvedilolCarvedilol7114
AripiprazoleAripiprazole7013
Pantoprazole SodiumPantoprazole Sodium6316
Tamsulosin HclTamsulosin Hcl6313
Fluticasone PropionateFluticasone Propionate6132
EliquisApixaban5713
Fluoxetine HclFluoxetine Hcl5619
SpironolactoneSpironolactone5412
AtenololAtenolol5311
Propranolol Hcl ErPropranolol Hcl5314
Benazepril HclBenazepril Hcl4913
XareltoRivaroxaban45suppressed
Venlafaxine Hcl ErVenlafaxine Hcl44suppressed
Pravastatin SodiumPravastatin Sodium42suppressed
AllopurinolAllopurinol4112
Triamcinolone AcetonideTriamcinolone Acetonide4028
MirtazapineMirtazapine38suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3616
TrulicityDulaglutide35suppressed
Quetiapine FumarateQuetiapine Fumarate34suppressed
Donepezil HclDonepezil Hcl33suppressed
Breo ElliptaFluticasone/Vilanterol31suppressed
Enalapril MaleateEnalapril Maleate31suppressed
Buspirone HclBuspirone Hcl30suppressed
ValsartanValsartan30suppressed
Propranolol HclPropranolol Hcl29suppressed
NuplazidPimavanserin Tartrate28suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl27suppressed
Warfarin SodiumWarfarin Sodium27suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog26suppressed
EzetimibeEzetimibe25suppressed
Insulin Lispro Protamine MixInsulin Lispro Protamin/Lispro25suppressed
Carbidopa-LevodopaCarbidopa/Levodopa24suppressed
Citalopram HbrCitalopram Hydrobromide23suppressed
LansoprazoleLansoprazole23suppressed
PregabalinPregabalin23suppressed
Amitriptyline HclAmitriptyline Hcl22suppressed
EstradiolEstradiol2015
FinasterideFinasteride20suppressed
GlimepirideGlimepiride20suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl20suppressed
PrednisonePrednisone2012
Nortriptyline HclNortriptyline Hcl19suppressed
JanuviaSitagliptin Phosphate18suppressed
Divalproex SodiumDivalproex Sodium17suppressed
NystatinNystatin17suppressed
BaclofenBaclofen16suppressed
ClopidogrelClopidogrel Bisulfate16suppressed
Potassium Citrate ErPotassium Citrate16suppressed
AcyclovirAcyclovir15suppressed
IbuprofenIbuprofen15suppressed
LevetiracetamLevetiracetam15suppressed
Oseltamivir PhosphateOseltamivir Phosphate1515
Minocycline HclMinocycline Hcl14suppressed
Montelukast SodiumMontelukast Sodium14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid14suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide14suppressed
ClonidineClonidine13suppressed
GlipizideGlipizide13suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13suppressed
LamotrigineLamotrigine13suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic13suppressed
Paroxetine HclParoxetine Hcl13suppressed
SynthroidLevothyroxine Sodium13suppressed
ValacyclovirValacyclovir Hcl13suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl1211
LovastatinLovastatin12suppressed
Nifedipine ErNifedipine12suppressed
NystopNystatin12suppressed
OzempicSemaglutide12suppressed
Paliperidone ErPaliperidone12suppressed
PrimidonePrimidone12suppressed
Trihexyphenidyl HclTrihexyphenidyl Hcl12suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate11suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
LidocaineLidocaine11suppressed
LorazepamLorazepam11suppressed
SingulairMontelukast Sodium11suppressed
SynjardyEmpagliflozin/Metformin Hcl11suppressed
Tizanidine HclTizanidine 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