Healthcare provider profile · identity verified

Kenneth Ford Horowitz, M.D.

Internal Medicine · HIGHLAND PARK, IL · NPI 1467568642

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 Calcium517190
Levothyroxine SodiumLevothyroxine Sodium291110
Amlodipine BesylateAmlodipine Besylate21182
LisinoprilLisinopril18874
Losartan PotassiumLosartan Potassium18677
AlprazolamAlprazolam18455
Zolpidem TartrateZolpidem Tartrate17566
Rosuvastatin CalciumRosuvastatin Calcium14464
Tamsulosin HclTamsulosin Hcl14265
OmeprazoleOmeprazole10842
AllopurinolAllopurinol9534
Metoprolol SuccinateMetoprolol Succinate9444
GabapentinGabapentin8943
MounjaroTirzepatide8018
Pantoprazole SodiumPantoprazole Sodium7928
Pravastatin SodiumPravastatin Sodium7930
Escitalopram OxalateEscitalopram Oxalate7636
Metformin HclMetformin Hcl7531
HydrochlorothiazideHydrochlorothiazide7230
SimvastatinSimvastatin6831
Trazodone HclTrazodone Hcl6533
Sertraline HclSertraline Hcl6022
Metformin Hcl ErMetformin Hcl5924
LorazepamLorazepam5820
Montelukast SodiumMontelukast Sodium5721
FinasterideFinasteride5627
ClonazepamClonazepam4311
Cyclobenzaprine HclCyclobenzaprine Hcl4320
AtenololAtenolol4214
EzetimibeEzetimibe4115
Duloxetine HclDuloxetine Hcl4019
SpironolactoneSpironolactone3916
ValsartanValsartan3913
CarvedilolCarvedilol3816
EliquisApixaban3817
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3817
Albuterol Sulfate HfaAlbuterol Sulfate3725
ValacyclovirValacyclovir Hcl3722
AzithromycinAzithromycin3530
Bupropion XlBupropion Hcl3514
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3512
Citalopram HbrCitalopram Hydrobromide34suppressed
CelecoxibCelecoxib3316
MeloxicamMeloxicam3317
SynthroidLevothyroxine Sodium3311
Tramadol HclTramadol Hcl3115
PrednisonePrednisone3024
DiazepamDiazepam2811
OzempicSemaglutide28suppressed
Potassium ChloridePotassium Chloride2711
EstradiolEstradiol26suppressed
Olmesartan MedoxomilOlmesartan Medoxomil26suppressed
Metoprolol TartrateMetoprolol Tartrate2411
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid24suppressed
ClopidogrelClopidogrel Bisulfate2312
EszopicloneEszopiclone23suppressed
MethylprednisoloneMethylprednisolone2219
AcyclovirAcyclovir21suppressed
Azelastine HclAzelastine Hcl2113
Glipizide ErGlipizide21suppressed
LovastatinLovastatin21suppressed
Paroxetine HclParoxetine Hcl21suppressed
Venlafaxine Hcl ErVenlafaxine Hcl21suppressed
FamotidineFamotidine20suppressed
Ipratropium BromideIpratropium Bromide20suppressed
Amitriptyline HclAmitriptyline Hcl19suppressed
Breo ElliptaFluticasone/Vilanterol19suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip1911
Lantus SolostarInsulin Glargine,hum.Rec.Anlog18suppressed
FurosemideFurosemide1713
PregabalinPregabalin17suppressed
TemazepamTemazepam17suppressed
Meclizine HclMeclizine Hcl16suppressed
FenofibrateFenofibrate Nanocrystallized15suppressed
Fluticasone PropionateFluticasone Propionate15suppressed
GlipizideGlipizide15suppressed
Nebivolol HclNebivolol Hcl15suppressed
Testosterone CypionateTestosterone Cypionate15suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide15suppressed
DutasterideDutasteride14suppressed
HydrocortisoneHydrocortisone14suppressed
JardianceEmpagliflozin14suppressed
Benazepril HclBenazepril Hcl13suppressed
ChlorthalidoneChlorthalidone13suppressed
Ciprofloxacin HclCiprofloxacin Hcl1312
Donepezil HclDonepezil Hcl13suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide13suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen13suppressed
Pioglitazone HclPioglitazone Hcl13suppressed
Buspirone HclBuspirone Hcl12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
Hydralazine HclHydralazine Hcl12suppressed
IrbesartanIrbesartan12suppressed
KetoconazoleKetoconazole12suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Solifenacin SuccinateSolifenacin Succinate12suppressed
TestosteroneTestosterone12suppressed
Tizanidine HclTizanidine Hcl1211
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1111
Hydroxyzine HclHydroxyzine Hcl11suppressed
MirtazapineMirtazapine11suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide11suppressed
Propranolol HclPropranolol Hcl11suppressed

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