Healthcare provider profile · identity verified

Jean Shlyak, M.D.

Internal Medicine · NORTHBROOK, IL · NPI 1851457717

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
Levothyroxine Sodium	Levothyroxine Sodium	702	90
Amlodipine Besylate	Amlodipine Besylate	437	85
Omeprazole	Omeprazole	333	54
Lorazepam	Lorazepam	275	54
Allopurinol	Allopurinol	216	39
Propranolol Hcl	Propranolol Hcl	198	29
Losartan Potassium	Losartan Potassium	185	34
Metformin Hcl	Metformin Hcl	177	37
Gabapentin	Gabapentin	165	31
Olmesartan Medoxomil	Olmesartan Medoxomil	145	30
Atorvastatin Calcium	Atorvastatin Calcium	138	32
Escitalopram Oxalate	Escitalopram Oxalate	128	11
Metoprolol Succinate	Metoprolol Succinate	124	31
Famotidine	Famotidine	118	18
Rosuvastatin Calcium	Rosuvastatin Calcium	105	23
Glimepiride	Glimepiride	103	19
Warfarin Sodium	Warfarin Sodium	102	suppressed
Montelukast Sodium	Montelukast Sodium	98	14
Ketoconazole	Ketoconazole	97	21
Lisinopril	Lisinopril	88	17
Atenolol	Atenolol	87	17
Diclofenac Sodium	Diclofenac Sodium	87	14
Metformin Hcl Er	Metformin Hcl	84	11
Meclizine Hcl	Meclizine Hcl	81	18
Tamsulosin Hcl	Tamsulosin Hcl	81	16
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	76	14
Dicyclomine Hcl	Dicyclomine Hcl	72	17
Clopidogrel	Clopidogrel Bisulfate	71	13
Zolpidem Tartrate	Zolpidem Tartrate	68	19
Torsemide	Torsemide	65	11
Carvedilol	Carvedilol	64	15
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	64	suppressed
Spironolactone	Spironolactone	63	14
Creon	Lipase/Protease/Amylase	62	suppressed
Eliquis	Apixaban	61	11
Telmisartan	Telmisartan	60	11
Azithromycin	Azithromycin	58	52
Fluticasone Propionate	Fluticasone Propionate	57	13
Meloxicam	Meloxicam	56	21
Celecoxib	Celecoxib	55	17
Clonidine Hcl	Clonidine Hcl	54	11
Nifedipine Er	Nifedipine	54	suppressed
Paroxetine Hcl	Paroxetine Hcl	54	suppressed
Enalapril Maleate	Enalapril Maleate	53	suppressed
Sertraline Hcl	Sertraline Hcl	53	suppressed
Simvastatin	Simvastatin	53	suppressed
Tramadol Hcl	Tramadol Hcl	51	12
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	50	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	49	suppressed
Donepezil Hcl	Donepezil Hcl	48	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	48	13
Fenofibrate	Fenofibrate	47	15
Januvia	Sitagliptin Phosphate	45	suppressed
Furosemide	Furosemide	44	suppressed
Linzess	Linaclotide	42	suppressed
Clonazepam	Clonazepam	41	suppressed
Pantoprazole Sodium	Pantoprazole Sodium	41	suppressed
Synthroid	Levothyroxine Sodium	41	suppressed
Clonidine	Clonidine	39	suppressed
Glipizide	Glipizide	39	suppressed
Duloxetine Hcl	Duloxetine Hcl	32	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	31	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	30	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	29	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	29	suppressed
Ezetimibe	Ezetimibe	28	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	27	suppressed
Procto-Med Hc	Hydrocortisone	26	suppressed
Alprazolam	Alprazolam	24	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	24	suppressed
Mupirocin	Mupirocin	23	11
Bupropion Xl	Bupropion Hcl	21	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	21	suppressed
Dutasteride	Dutasteride	21	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	21	suppressed
Potassium Chloride	Potassium Chloride	21	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	21	suppressed
Hydralazine Hcl	Hydralazine Hcl	20	suppressed
Pravastatin Sodium	Pravastatin Sodium	20	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	19	suppressed
Ibuprofen	Ibuprofen	19	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	18	suppressed
Mesalamine Er	Mesalamine	18	suppressed
Methylprednisolone	Methylprednisolone	18	16
Acyclovir	Acyclovir	17	suppressed
Amiodarone Hcl	Amiodarone Hcl	17	suppressed
Myrbetriq	Mirabegron	17	suppressed
Pro Comfort Alcohol Pads	Alcohol Antiseptic Pads	17	suppressed
Glipizide Xl	Glipizide	16	suppressed
Levetiracetam	Levetiracetam	16	suppressed
Memantine Hcl	Memantine Hcl	16	suppressed
Solifenacin Succinate	Solifenacin Succinate	16	suppressed
Tradjenta	Linagliptin	16	suppressed
Azelastine Hcl	Azelastine Hcl	15	suppressed
Irbesartan	Irbesartan	15	suppressed
Metronidazole	Metronidazole	15	suppressed
Mometasone Furoate	Mometasone Furoate	15	suppressed
Nebivolol Hcl	Nebivolol Hcl	15	suppressed
Np Thyroid	Thyroid,pork	15	suppressed
Ursodiol	Ursodiol	15	suppressed
Citalopram Hbr	Citalopram Hydrobromide	14	suppressed
Finasteride	Finasteride	14	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	14	suppressed
Nexium	Esomeprazole Magnesium	14	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	13	suppressed
Trulicity	Dulaglutide	13	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	12	suppressed
Diazepam	Diazepam	12	suppressed
Glipizide Er	Glipizide	12	suppressed
Trazodone Hcl	Trazodone Hcl	12	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	11	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	11
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	11	suppressed
Digoxin	Digoxin	11	suppressed
Easy Touch Alcohol Prep Pads	Alcohol Antiseptic Pads	11	suppressed
Incruse Ellipta	Umeclidinium Bromide	11	suppressed
Jardiance	Empagliflozin	11	suppressed
Ondansetron Hcl	Ondansetron Hcl	11	suppressed
Ozempic	Semaglutide	11	suppressed
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	11	suppressed
Trueplus Insulin Syringe	Syringe And Needle,insulin,1ml	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