Healthcare provider profile · identity verified

Debra Muggler, M.D.

Internal Medicine · WAUKESHA, WI · NPI 1942274055

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 Calcium647175
Levothyroxine SodiumLevothyroxine Sodium39395
Amlodipine BesylateAmlodipine Besylate33591
Alendronate SodiumAlendronate Sodium33288
Rosuvastatin CalciumRosuvastatin Calcium33192
SimvastatinSimvastatin23256
LisinoprilLisinopril22465
Metoprolol SuccinateMetoprolol Succinate21861
OmeprazoleOmeprazole21865
Losartan PotassiumLosartan Potassium18750
Pantoprazole SodiumPantoprazole Sodium17542
Metformin HclMetformin Hcl15243
Escitalopram OxalateEscitalopram Oxalate14639
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12535
HydrochlorothiazideHydrochlorothiazide12034
AtenololAtenolol9318
Pravastatin SodiumPravastatin Sodium8425
Sertraline HclSertraline Hcl8217
Venlafaxine Hcl ErVenlafaxine Hcl7816
Montelukast SodiumMontelukast Sodium6815
Benazepril HclBenazepril Hcl6317
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide6317
Zolpidem TartrateZolpidem Tartrate5619
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5517
FurosemideFurosemide5413
Potassium ChloridePotassium Chloride5416
AllopurinolAllopurinol5311
GabapentinGabapentin5318
ClopidogrelClopidogrel Bisulfate5113
SpironolactoneSpironolactone5114
FenofibrateFenofibrate5011
Metformin Hcl ErMetformin Hcl5013
Duloxetine HclDuloxetine Hcl4913
SynthroidLevothyroxine Sodium4912
JanuviaSitagliptin Phosphate4812
LorazepamLorazepam4820
Trazodone HclTrazodone Hcl4816
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril4611
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid4611
Doxazosin MesylateDoxazosin Mesylate4412
Albuterol Sulfate HfaAlbuterol Sulfate3719
Citalopram HbrCitalopram Hydrobromide36suppressed
Amitriptyline HclAmitriptyline Hcl34suppressed
Ibandronate SodiumIbandronate Sodium3411
Metoprolol TartrateMetoprolol Tartrate34suppressed
Paroxetine HclParoxetine Hcl34suppressed
Warfarin SodiumWarfarin Sodium34suppressed
Fluoxetine HclFluoxetine Hcl32suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl27suppressed
MeloxicamMeloxicam27suppressed
Tramadol HclTramadol Hcl27suppressed
Verapamil ErVerapamil Hcl26suppressed
EliquisApixaban25suppressed
Tamsulosin HclTamsulosin Hcl25suppressed
EzetimibeEzetimibe24suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen24suppressed
Glipizide ErGlipizide23suppressed
Bupropion Hcl SrBupropion Hcl22suppressed
Bupropion XlBupropion Hcl21suppressed
CarvedilolCarvedilol21suppressed
EstradiolEstradiol2111
Cyclobenzaprine HclCyclobenzaprine Hcl19suppressed
Doxycycline HyclateDoxycycline Hyclate1918
SymbicortBudesonide/Formoterol Fumarate19suppressed
Oxybutynin Chloride ErOxybutynin Chloride15suppressed
Nifedipine ErNifedipine14suppressed
AmoxicillinAmoxicillin13suppressed
LansoprazoleLansoprazole13suppressed
Olmesartan MedoxomilOlmesartan Medoxomil13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
Ropinirole HclRopinirole Hcl13suppressed
UrsodiolUrsodiol13suppressed
ValacyclovirValacyclovir Hcl13suppressed
Clobetasol PropionateClobetasol Propionate12suppressed
ClonazepamClonazepam12suppressed
FenofibrateFenofibrate Nanocrystallized12suppressed
AlprazolamAlprazolam11suppressed
Fluticasone PropionateFluticasone Propionate11suppressed
TemazepamTemazepam11suppressed
ValsartanValsartan11suppressed

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