Healthcare provider profile · identity verified

Carmen M. Dargel, MD

Family Practice · ONALASKA, WI · NPI 1194715698

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 Calcium20454
OmeprazoleOmeprazole17037
Losartan PotassiumLosartan Potassium15239
Levothyroxine SodiumLevothyroxine Sodium14036
Rosuvastatin CalciumRosuvastatin Calcium13335
Amlodipine BesylateAmlodipine Besylate11930
GabapentinGabapentin11725
Metoprolol SuccinateMetoprolol Succinate11228
LisinoprilLisinopril10130
Metformin Hcl ErMetformin Hcl9925
Duloxetine HclDuloxetine Hcl8619
HydrochlorothiazideHydrochlorothiazide7625
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen71suppressed
Alendronate SodiumAlendronate Sodium7018
EliquisApixaban58suppressed
Zolpidem TartrateZolpidem Tartrate55suppressed
TrulicityDulaglutide50suppressed
FurosemideFurosemide4911
MirtazapineMirtazapine45suppressed
SimvastatinSimvastatin45suppressed
CelecoxibCelecoxib4412
Metoprolol TartrateMetoprolol Tartrate4313
Albuterol Sulfate HfaAlbuterol Sulfate4215
Escitalopram OxalateEscitalopram Oxalate4111
FamotidineFamotidine4012
Cyclobenzaprine HclCyclobenzaprine Hcl3912
Fluticasone PropionateFluticasone Propionate3811
Montelukast SodiumMontelukast Sodium37suppressed
Tramadol HclTramadol Hcl37suppressed
AtenololAtenolol3611
Metformin HclMetformin Hcl35suppressed
Warfarin SodiumWarfarin Sodium34suppressed
DiazepamDiazepam32suppressed
JardianceEmpagliflozin32suppressed
PregabalinPregabalin32suppressed
Bupropion XlBupropion Hcl29suppressed
Sertraline HclSertraline Hcl29suppressed
Pantoprazole SodiumPantoprazole Sodium2812
SpironolactoneSpironolactone2812
BaclofenBaclofen27suppressed
Buspirone HclBuspirone Hcl26suppressed
OzempicSemaglutide26suppressed
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog26suppressed
Paroxetine HclParoxetine Hcl25suppressed
Trazodone HclTrazodone Hcl25suppressed
Oxybutynin Chloride ErOxybutynin Chloride23suppressed
EstradiolEstradiol22suppressed
MounjaroTirzepatide22suppressed
Potassium ChloridePotassium Chloride22suppressed
Tizanidine HclTizanidine Hcl22suppressed
Spiriva HandihalerTiotropium Bromide21suppressed
Venlafaxine Hcl ErVenlafaxine Hcl21suppressed
Pravastatin SodiumPravastatin Sodium20suppressed
LorazepamLorazepam19suppressed
Oxycodone HclOxycodone Hcl18suppressed
Penicillin V PotassiumPenicillin V Potassium18suppressed
Triamcinolone AcetonideTriamcinolone Acetonide18suppressed
Ventolin HfaAlbuterol Sulfate18suppressed
TopiramateTopiramate16suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid16suppressed
ValacyclovirValacyclovir Hcl16suppressed
AllopurinolAllopurinol15suppressed
AlprazolamAlprazolam15suppressed
Amitriptyline HclAmitriptyline Hcl15suppressed
Azelastine HclAzelastine Hcl15suppressed
Doxycycline MonohydrateDoxycycline Monohydrate15suppressed
ClopidogrelClopidogrel Bisulfate14suppressed
LoperamideLoperamide Hcl14suppressed
MeloxicamMeloxicam14suppressed
Sumatriptan SuccinateSumatriptan Succinate14suppressed
Donepezil HclDonepezil Hcl13suppressed
Fluoxetine HclFluoxetine Hcl13suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate13suppressed
MethotrexateMethotrexate Sodium13suppressed
Midodrine HclMidodrine Hcl13suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog13suppressed
XifaxanRifaximin13suppressed
Asa-Butalb-Caffeine-CodeineCodeine/Butalbital/Asa/Caffein12suppressed
Citalopram HbrCitalopram Hydrobromide12suppressed
Clindamycin PhosphateClindamycin Phosphate12suppressed
ClonazepamClonazepam12suppressed
Emgality PenGalcanezumab-Gnlm12suppressed
GemtesaVibegron12suppressed
GlipizideGlipizide12suppressed
Naltrexone HclNaltrexone Hcl12suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl12suppressed
Propranolol Hcl ErPropranolol Hcl12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Adderall XrDextroamphetamine/Amphetamine11suppressed
CarbamazepineCarbamazepine11suppressed
Carbidopa-LevodopaCarbidopa/Levodopa11suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine11suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide11suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen11suppressed
PrednisonePrednisone11suppressed
Spiriva RespimatTiotropium Bromide11suppressed

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