Healthcare provider profile · identity verified

Jong-Wook Ban, M.D.

Internal Medicine · CHICAGO, IL · NPI 1265467930

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 Calcium553196
LisinoprilLisinopril373134
Levothyroxine SodiumLevothyroxine Sodium32095
Amlodipine BesylateAmlodipine Besylate308109
OmeprazoleOmeprazole22075
Losartan PotassiumLosartan Potassium16660
Rosuvastatin CalciumRosuvastatin Calcium16048
Tamsulosin HclTamsulosin Hcl15048
Metoprolol SuccinateMetoprolol Succinate14854
HydrochlorothiazideHydrochlorothiazide14760
Metformin Hcl ErMetformin Hcl14748
Metoprolol TartrateMetoprolol Tartrate13147
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13031
Metformin HclMetformin Hcl13047
SimvastatinSimvastatin12846
FurosemideFurosemide12246
Sertraline HclSertraline Hcl11536
Potassium ChloridePotassium Chloride11346
Citalopram HbrCitalopram Hydrobromide10737
Trazodone HclTrazodone Hcl9533
GabapentinGabapentin8832
CarvedilolCarvedilol8629
Lantus SolostarInsulin Glargine,hum.Rec.Anlog7925
Pantoprazole SodiumPantoprazole Sodium7228
Albuterol Sulfate HfaAlbuterol Sulfate7129
FinasterideFinasteride6922
Pravastatin SodiumPravastatin Sodium6925
Bupropion XlBupropion Hcl6422
Fluticasone PropionateFluticasone Propionate6325
EliquisApixaban6122
OzempicSemaglutide5918
GlipizideGlipizide5621
Pioglitazone HclPioglitazone Hcl5620
JardianceEmpagliflozin5216
XareltoRivaroxaban5212
ClopidogrelClopidogrel Bisulfate5119
Zolpidem TartrateZolpidem Tartrate5115
AllopurinolAllopurinol5018
Tramadol HclTramadol Hcl4115
Isosorbide Mononitrate ErIsosorbide Mononitrate4013
Triamcinolone AcetonideTriamcinolone Acetonide4025
Duloxetine HclDuloxetine Hcl39suppressed
Hydralazine HclHydralazine Hcl38suppressed
MirtazapineMirtazapine3611
AlprazolamAlprazolam3511
Donepezil HclDonepezil Hcl34suppressed
Fluoxetine HclFluoxetine Hcl3411
Quetiapine FumarateQuetiapine Fumarate31suppressed
Escitalopram OxalateEscitalopram Oxalate30suppressed
LovastatinLovastatin30suppressed
Memantine HclMemantine Hcl30suppressed
PrednisonePrednisone2915
Venlafaxine Hcl ErVenlafaxine Hcl29suppressed
JanuviaSitagliptin Phosphate26suppressed
ChlorthalidoneChlorthalidone25suppressed
Glipizide ErGlipizide25suppressed
Oxybutynin Chloride ErOxybutynin Chloride25suppressed
Humalog Kwikpen U-100Insulin Lispro24suppressed
TrulicityDulaglutide24suppressed
Warfarin SodiumWarfarin Sodium24suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic23suppressed
Alendronate SodiumAlendronate Sodium22suppressed
AtenololAtenolol22suppressed
LantusInsulin Glargine,hum.Rec.Anlog22suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen22suppressed
GlimepirideGlimepiride21suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter21suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip2012
Diclofenac SodiumDiclofenac Sodium19suppressed
Paroxetine HclParoxetine Hcl19suppressed
SpironolactoneSpironolactone19suppressed
DigoxinDigoxin18suppressed
MounjaroTirzepatide18suppressed
Combivent RespimatIpratropium/Albuterol Sulfate17suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide17suppressed
ValsartanValsartan17suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium16suppressed
Ondansetron OdtOndansetron16suppressed
Oxybutynin ChlorideOxybutynin Chloride16suppressed
Ciprofloxacin HclCiprofloxacin Hcl1514
Sumatriptan SuccinateSumatriptan Succinate15suppressed
Ipratropium BromideIpratropium Bromide14suppressed
LansoprazoleLansoprazole14suppressed
EstradiolEstradiol13suppressed
IbuprofenIbuprofen13suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro13suppressed
LatanoprostLatanoprost13suppressed
NystatinNystatin13suppressed
PrimidonePrimidone13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
Breo ElliptaFluticasone/Vilanterol12suppressed
ClonazepamClonazepam12suppressed
Doxycycline HyclateDoxycycline Hyclate12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
Pen NeedlePen Needle, Diabetic12suppressed
TorsemideTorsemide12suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic12suppressed
Advair HfaFluticasone Propion/Salmeterol11suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads11suppressed
BumetanideBumetanide11suppressed
FamotidineFamotidine11suppressed
FarxigaDapagliflozin Propanediol11suppressed
Hydroxyzine HclHydroxyzine Hcl11suppressed
Insulin SyringeSyringe And Needle,insulin,1ml11suppressed
IrbesartanIrbesartan11suppressed
LorazepamLorazepam11suppressed
MeloxicamMeloxicam11suppressed
Ondansetron HclOndansetron Hcl11suppressed
Oxycodone HclOxycodone Hcl11suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog11suppressed
XifaxanRifaximin11suppressed

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