Healthcare provider profile · identity verified

Janusz Dudek, MD

Internal Medicine · CHICAGO, IL · NPI 1073531570

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

Brand	Generic	Claims	Beneficiaries
Atorvastatin Calcium	Atorvastatin Calcium	508	161
Amlodipine Besylate	Amlodipine Besylate	375	117
Metoprolol Succinate	Metoprolol Succinate	366	117
Levothyroxine Sodium	Levothyroxine Sodium	285	75
Rosuvastatin Calcium	Rosuvastatin Calcium	269	96
Losartan Potassium	Losartan Potassium	266	83
Metformin Hcl	Metformin Hcl	231	69
Tamsulosin Hcl	Tamsulosin Hcl	202	72
Lisinopril	Lisinopril	192	58
Ozempic	Semaglutide	151	37
Pantoprazole Sodium	Pantoprazole Sodium	143	49
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	133	16
Alprazolam	Alprazolam	124	32
Jardiance	Empagliflozin	123	35
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	123	42
Omeprazole	Omeprazole	112	42
Fluticasone Propionate	Fluticasone Propionate	111	55
Escitalopram Oxalate	Escitalopram Oxalate	105	33
Prednisone	Prednisone	104	38
Eliquis	Apixaban	102	29
Gabapentin	Gabapentin	96	34
Clonazepam	Clonazepam	86	22
Furosemide	Furosemide	77	31
Hydrochlorothiazide	Hydrochlorothiazide	77	26
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	75	23
Finasteride	Finasteride	73	24
Trazodone Hcl	Trazodone Hcl	72	31
Montelukast Sodium	Montelukast Sodium	70	19
Sertraline Hcl	Sertraline Hcl	70	24
Tramadol Hcl	Tramadol Hcl	63	24
Carvedilol	Carvedilol	61	18
Albuterol Sulfate Hfa	Albuterol Sulfate	60	27
Meloxicam	Meloxicam	60	27
Methylprednisolone	Methylprednisolone	57	45
Simvastatin	Simvastatin	56	16
Ezetimibe	Ezetimibe	55	21
Metoprolol Tartrate	Metoprolol Tartrate	54	16
Trulicity	Dulaglutide	53	12
Clopidogrel	Clopidogrel Bisulfate	52	23
Ketoconazole	Ketoconazole	51	27
Diclofenac Sodium	Diclofenac Sodium	50	22
Betamethasone Dipropionate	Betamethasone Dipropionate	47	27
Allopurinol	Allopurinol	46	14
Mounjaro	Tirzepatide	46	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	41	suppressed
Breo Ellipta	Fluticasone/Vilanterol	39	14
Spironolactone	Spironolactone	37	13
Duloxetine Hcl	Duloxetine Hcl	36	12
Paroxetine Hcl	Paroxetine Hcl	36	16
Glipizide	Glipizide	34	suppressed
Lorazepam	Lorazepam	34	suppressed
Ciclopirox	Ciclopirox	33	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	33	11
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	32	21
Meclizine Hcl	Meclizine Hcl	32	suppressed
Bumetanide	Bumetanide	31	suppressed
Ramipril	Ramipril	30	suppressed
Bupropion Xl	Bupropion Hcl	29	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	29	suppressed
Myrbetriq	Mirabegron	28	11
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	28	24
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	28	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	27	suppressed
Famotidine	Famotidine	27	11
Azithromycin	Azithromycin	26	22
Metformin Hcl Er	Metformin Hcl	26	suppressed
Potassium Chloride	Potassium Chloride	25	suppressed
Pravastatin Sodium	Pravastatin Sodium	25	suppressed
Temazepam	Temazepam	25	suppressed
Benazepril Hcl	Benazepril Hcl	23	suppressed
Atenolol	Atenolol	22	suppressed
Azelastine Hcl	Azelastine Hcl	22	13
Olanzapine	Olanzapine	22	suppressed
Baclofen	Baclofen	21	suppressed
Citalopram Hbr	Citalopram Hydrobromide	21	suppressed
Glipizide Er	Glipizide	21	suppressed
Naproxen	Naproxen	21	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	20	20
Isosorbide Mononitrate Er	Isosorbide Mononitrate	20	suppressed
Metronidazole	Metronidazole	20	11
Ventolin Hfa	Albuterol Sulfate	20	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	20	suppressed
Xarelto	Rivaroxaban	20	suppressed
Creon	Lipase/Protease/Amylase	19	suppressed
Mirtazapine	Mirtazapine	19	suppressed
Nebivolol Hcl	Nebivolol Hcl	19	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	19	suppressed
Warfarin Sodium	Warfarin Sodium	19	suppressed
Cefdinir	Cefdinir	18	16
Synthroid	Levothyroxine Sodium	18	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	18	suppressed
Bupropion Hcl Sr	Bupropion Hcl	17	suppressed
Alendronate Sodium	Alendronate Sodium	16	suppressed
Lovastatin	Lovastatin	16	suppressed
Mometasone Furoate	Mometasone Furoate	16	suppressed
Rybelsus	Semaglutide	16	suppressed
Valacyclovir	Valacyclovir Hcl	16	suppressed
Neomycin-Polymyxin-Hydrocort	Neomycin/Polymyxin B/Hydrocort	15	11
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	14	suppressed
Colchicine	Colchicine	14	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	13	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Pregabalin	Pregabalin	13	suppressed
Torsemide	Torsemide	13	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	12	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	12	suppressed
Cilostazol	Cilostazol	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Icosapent Ethyl	Icosapent Ethyl	12	suppressed
Lidocaine	Lidocaine	12	suppressed
Solifenacin Succinate	Solifenacin Succinate	12	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	suppressed
Amoxicillin	Amoxicillin	11	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Carbamazepine Er	Carbamazepine	11	suppressed
Enalapril Maleate	Enalapril Maleate	11	suppressed
Ibuprofen	Ibuprofen	11	suppressed
Januvia	Sitagliptin Phosphate	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Novolog	Insulin Aspart	11	suppressed

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.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
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