Healthcare provider profile · identity verified

Leonardo Vargas, M.D.

Internal Medicine · GLENVIEW, IL · NPI 1245385699

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 Calcium701203
Losartan PotassiumLosartan Potassium367107
Amlodipine BesylateAmlodipine Besylate35787
Levothyroxine SodiumLevothyroxine Sodium30379
OmeprazoleOmeprazole23583
Rosuvastatin CalciumRosuvastatin Calcium23163
Metoprolol SuccinateMetoprolol Succinate22857
Metformin Hcl ErMetformin Hcl19857
LisinoprilLisinopril17450
HydrochlorothiazideHydrochlorothiazide17150
Sertraline HclSertraline Hcl15233
CarvedilolCarvedilol14138
Pantoprazole SodiumPantoprazole Sodium13836
GabapentinGabapentin13434
Pravastatin SodiumPravastatin Sodium13438
Metformin HclMetformin Hcl13337
AllopurinolAllopurinol12734
FurosemideFurosemide12236
Tamsulosin HclTamsulosin Hcl10834
Potassium ChloridePotassium Chloride10133
Escitalopram OxalateEscitalopram Oxalate9732
IrbesartanIrbesartan8822
Tramadol HclTramadol Hcl8817
EliquisApixaban7926
Duloxetine HclDuloxetine Hcl7118
Alendronate SodiumAlendronate Sodium6520
MirtazapineMirtazapine6222
BumetanideBumetanide57suppressed
Fluticasone PropionateFluticasone Propionate5623
LorazepamLorazepam55suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5415
Bupropion XlBupropion Hcl5314
PregabalinPregabalin51suppressed
Donepezil HclDonepezil Hcl5013
Metoprolol TartrateMetoprolol Tartrate4612
AtenololAtenolol4513
MeloxicamMeloxicam4412
AlprazolamAlprazolam4213
SynthroidLevothyroxine Sodium39suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3817
Hydralazine HclHydralazine Hcl38suppressed
SimvastatinSimvastatin3814
Ipratropium BromideIpratropium Bromide3517
SpironolactoneSpironolactone3512
Warfarin SodiumWarfarin Sodium35suppressed
OzempicSemaglutide33suppressed
RamiprilRamipril32suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3112
Zolpidem TartrateZolpidem Tartrate3113
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide29suppressed
EzetimibeEzetimibe2612
Montelukast SodiumMontelukast Sodium26suppressed
FinasterideFinasteride25suppressed
TemazepamTemazepam25suppressed
Trazodone HclTrazodone Hcl25suppressed
JanuviaSitagliptin Phosphate23suppressed
PrednisonePrednisone23suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog22suppressed
MethylprednisoloneMethylprednisolone2221
TrulicityDulaglutide22suppressed
ValacyclovirValacyclovir Hcl22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl22suppressed
FamotidineFamotidine21suppressed
Memantine HclMemantine Hcl21suppressed
Nebivolol HclNebivolol Hcl20suppressed
ClopidogrelClopidogrel Bisulfate19suppressed
Vitamin D2Ergocalciferol (Vitamin D2)19suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol18suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide18suppressed
CelecoxibCelecoxib17suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl17suppressed
LovastatinLovastatin17suppressed
Alfuzosin Hcl ErAlfuzosin Hcl16suppressed
ChlorthalidoneChlorthalidone16suppressed
Nifedipine ErNifedipine16suppressed
Paroxetine HclParoxetine Hcl16suppressed
XareltoRivaroxaban16suppressed
HydrocortisoneHydrocortisone15suppressed
IbuprofenIbuprofen15suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1514
Breo ElliptaFluticasone/Vilanterol14suppressed
Hydroxyzine HclHydroxyzine Hcl14suppressed
TorsemideTorsemide14suppressed
ValsartanValsartan14suppressed
BelsomraSuvorexant13suppressed
Buspirone HclBuspirone Hcl13suppressed
FenofibrateFenofibrate Nanocrystallized13suppressed
GlimepirideGlimepiride13suppressed
SpsSodium Polystyrene Sulfon/Sorb13suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium12suppressed
JardianceEmpagliflozin12suppressed
LevetiracetamLevetiracetam12suppressed
Meclizine HclMeclizine Hcl12suppressed
Memantine Hcl ErMemantine Hcl12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic12suppressed
TopiramateTopiramate12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
Atenolol-ChlorthalidoneAtenolol/Chlorthalidone11suppressed
ClonazepamClonazepam11suppressed
DiazepamDiazepam11suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
Enalapril MaleateEnalapril Maleate11suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11suppressed

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