Healthcare provider profile · identity verified

Mark S. Kushner

Internal Medicine · CHICAGO, IL · NPI 1841396355

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 Calcium24478
Amlodipine BesylateAmlodipine Besylate14649
GabapentinGabapentin11329
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10320
Metoprolol SuccinateMetoprolol Succinate10229
Losartan PotassiumLosartan Potassium9832
Albuterol Sulfate HfaAlbuterol Sulfate9430
HydrochlorothiazideHydrochlorothiazide8829
Levothyroxine SodiumLevothyroxine Sodium8820
LisinoprilLisinopril8526
Fluticasone PropionateFluticasone Propionate8024
OmeprazoleOmeprazole6323
EliquisApixaban6013
FurosemideFurosemide6025
Metformin HclMetformin Hcl5317
Tramadol HclTramadol Hcl5212
Pantoprazole SodiumPantoprazole Sodium4712
Trazodone HclTrazodone Hcl4713
Acetaminophen-CodeineAcetaminophen With Codeine44suppressed
FamotidineFamotidine4317
Tamsulosin HclTamsulosin Hcl4314
CarvedilolCarvedilol3913
JardianceEmpagliflozin3514
Sertraline HclSertraline Hcl33suppressed
SimvastatinSimvastatin3311
Zolpidem TartrateZolpidem Tartrate33suppressed
LidocaineLidocaine32suppressed
PregabalinPregabalin31suppressed
Rosuvastatin CalciumRosuvastatin Calcium28suppressed
BaclofenBaclofen26suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2611
KetoconazoleKetoconazole26suppressed
Metformin Hcl ErMetformin Hcl26suppressed
ChlorthalidoneChlorthalidone25suppressed
Nifedipine ErNifedipine25suppressed
Duloxetine HclDuloxetine Hcl24suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter23suppressed
ClopidogrelClopidogrel Bisulfate22suppressed
SpironolactoneSpironolactone22suppressed
Enalapril MaleateEnalapril Maleate21suppressed
IbuprofenIbuprofen21suppressed
LorazepamLorazepam21suppressed
OzempicSemaglutide21suppressed
ClonazepamClonazepam20suppressed
HydrocortisoneHydrocortisone20suppressed
MupirocinMupirocin20suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2014
Metoprolol TartrateMetoprolol Tartrate19suppressed
Meclizine HclMeclizine Hcl18suppressed
Felodipine ErFelodipine17suppressed
Bupropion XlBupropion Hcl16suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl16suppressed
NitroglycerinNitroglycerin16suppressed
Ondansetron OdtOndansetron16suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid16suppressed
PrednisonePrednisone15suppressed
Ventolin HfaAlbuterol Sulfate15suppressed
Breo ElliptaFluticasone/Vilanterol14suppressed
Montelukast SodiumMontelukast Sodium14suppressed
Arnuity ElliptaFluticasone Furoate13suppressed
AzithromycinAzithromycin1313
MeloxicamMeloxicam13suppressed
Pravastatin SodiumPravastatin Sodium13suppressed
Quetiapine FumarateQuetiapine Fumarate13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
Escitalopram OxalateEscitalopram Oxalate12suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog12suppressed
MounjaroTirzepatide12suppressed
ValsartanValsartan12suppressed
Warfarin SodiumWarfarin Sodium12suppressed
XareltoRivaroxaban12suppressed
ClotrimazoleClotrimazole11suppressed
Droplet Insulin SyringeSyringe And Needle,insulin,1ml11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
LevetiracetamLevetiracetam11suppressed
NaproxenNaproxen11suppressed

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