Healthcare provider profile · identity verified

Todd Stern

Internal Medicine · CHICAGO, IL · NPI 1679636187

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 Calcium31894
Amlodipine BesylateAmlodipine Besylate26882
LisinoprilLisinopril14546
Metoprolol SuccinateMetoprolol Succinate12236
Losartan PotassiumLosartan Potassium10533
HydrochlorothiazideHydrochlorothiazide8529
Rosuvastatin CalciumRosuvastatin Calcium8425
Tamsulosin HclTamsulosin Hcl8020
Levothyroxine SodiumLevothyroxine Sodium7418
OmeprazoleOmeprazole7122
Metformin HclMetformin Hcl5516
Pantoprazole SodiumPantoprazole Sodium5017
ChlorthalidoneChlorthalidone4818
FurosemideFurosemide4816
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4817
CarvedilolCarvedilol4718
FinasterideFinasteride4713
EliquisApixaban4512
SpironolactoneSpironolactone4315
Acetaminophen-CodeineAcetaminophen With Codeine39suppressed
AllopurinolAllopurinol3812
SimvastatinSimvastatin3711
PrednisonePrednisone35suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3313
MirtazapineMirtazapine33suppressed
JardianceEmpagliflozin32suppressed
Nifedipine ErNifedipine32suppressed
Hydralazine HclHydralazine Hcl31suppressed
Tramadol HclTramadol Hcl30suppressed
ClonazepamClonazepam27suppressed
OzempicSemaglutide27suppressed
FamotidineFamotidine23suppressed
Fluticasone PropionateFluticasone Propionate23suppressed
Metformin Hcl ErMetformin Hcl2211
Pravastatin SodiumPravastatin Sodium22suppressed
Alendronate SodiumAlendronate Sodium21suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl21suppressed
Montelukast SodiumMontelukast Sodium21suppressed
Potassium ChloridePotassium Chloride21suppressed
FarxigaDapagliflozin Propanediol20suppressed
Triamcinolone AcetonideTriamcinolone Acetonide20suppressed
Escitalopram OxalateEscitalopram Oxalate19suppressed
XareltoRivaroxaban19suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid18suppressed
GabapentinGabapentin17suppressed
ValsartanValsartan16suppressed
Doxepin HclDoxepin Hcl14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
Combivent RespimatIpratropium/Albuterol Sulfate13suppressed
LorazepamLorazepam13suppressed
PregabalinPregabalin13suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
Zolpidem TartrateZolpidem Tartrate12suppressed
ColchicineColchicine11suppressed
Diclofenac SodiumDiclofenac Sodium11suppressed
GlipizideGlipizide11suppressed
Morphine SulfateMorphine Sulfate11suppressed
Morphine Sulfate ErMorphine Sulfate11suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic11suppressed

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