Healthcare provider profile · identity verified

Irwin Steven Korngut, M.D.

Internal Medicine · DALLAS, TX · NPI 1669430351

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 Calcium24667
Rosuvastatin CalciumRosuvastatin Calcium13244
LisinoprilLisinopril10223
Amlodipine BesylateAmlodipine Besylate8923
Levothyroxine SodiumLevothyroxine Sodium8422
Trazodone HclTrazodone Hcl6915
Tamsulosin HclTamsulosin Hcl6520
Metoprolol SuccinateMetoprolol Succinate6418
Pantoprazole SodiumPantoprazole Sodium6315
Losartan PotassiumLosartan Potassium5315
ClonazepamClonazepam4611
EzetimibeEzetimibe4615
GabapentinGabapentin4517
Zolpidem TartrateZolpidem Tartrate44suppressed
HydrochlorothiazideHydrochlorothiazide4012
AllopurinolAllopurinol3912
EliquisApixaban39suppressed
Tramadol HclTramadol Hcl3813
AzithromycinAzithromycin3727
Montelukast SodiumMontelukast Sodium3512
Escitalopram OxalateEscitalopram Oxalate3411
FinasterideFinasteride34suppressed
MethylprednisoloneMethylprednisolone3016
MirtazapineMirtazapine2811
Pioglitazone HclPioglitazone Hcl28suppressed
SynthroidLevothyroxine Sodium28suppressed
Nebivolol HclNebivolol Hcl27suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2615
FurosemideFurosemide2512
FentanylFentanyl24suppressed
Olmesartan MedoxomilOlmesartan Medoxomil24suppressed
Metformin HclMetformin Hcl23suppressed
MyrbetriqMirabegron22suppressed
SimvastatinSimvastatin21suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2016
Sertraline HclSertraline Hcl20suppressed
Duloxetine HclDuloxetine Hcl19suppressed
JardianceEmpagliflozin19suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide17suppressed
Metformin Hcl ErMetformin Hcl17suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen16suppressed
LinzessLinaclotide16suppressed
LorazepamLorazepam16suppressed
Raloxifene HclRaloxifene Hcl16suppressed
Tolterodine Tartrate ErTolterodine Tartrate16suppressed
AlprazolamAlprazolam15suppressed
CarvedilolCarvedilol15suppressed
Doxycycline HyclateDoxycycline Hyclate1515
FenofibrateFenofibrate Nanocrystallized15suppressed
Metoprolol TartrateMetoprolol Tartrate15suppressed
OmeprazoleOmeprazole15suppressed
Amitriptyline HclAmitriptyline Hcl14suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril14suppressed
CelecoxibCelecoxib14suppressed
Ondansetron HclOndansetron Hcl14suppressed
Pravastatin SodiumPravastatin Sodium14suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter13suppressed
Ciprofloxacin HclCiprofloxacin Hcl12suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
Fluoxetine HclFluoxetine Hcl12suppressed
LivaloPitavastatin Calcium12suppressed
Nifedipine ErNifedipine12suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12suppressed
OzempicSemaglutide12suppressed
PrednisonePrednisone12suppressed
Tramadol Hcl-AcetaminophenTramadol Hcl/Acetaminophen12suppressed
ValsartanValsartan12suppressed
Breo ElliptaFluticasone/Vilanterol11suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate11suppressed
Hydralazine HclHydralazine Hcl11suppressed
Memantine HclMemantine 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