Healthcare provider profile · identity verified

Mark Ilyagu, MD

Internal Medicine · BROOKLYN, NY · NPI 1073994711

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
Eliquis	Apixaban	437	38
Atorvastatin Calcium	Atorvastatin Calcium	339	62
Amlodipine Besylate	Amlodipine Besylate	232	47
Levothyroxine Sodium	Levothyroxine Sodium	228	39
Pantoprazole Sodium	Pantoprazole Sodium	208	35
Gabapentin	Gabapentin	204	37
Mirtazapine	Mirtazapine	204	34
Tamsulosin Hcl	Tamsulosin Hcl	204	27
Metoprolol Succinate	Metoprolol Succinate	191	29
Losartan Potassium	Losartan Potassium	161	32
Furosemide	Furosemide	151	41
Metformin Hcl	Metformin Hcl	127	24
Levetiracetam	Levetiracetam	125	22
Spironolactone	Spironolactone	122	14
Metoprolol Tartrate	Metoprolol Tartrate	118	24
Donepezil Hcl	Donepezil Hcl	95	15
Lisinopril	Lisinopril	95	18
Omeprazole	Omeprazole	91	16
Hydralazine Hcl	Hydralazine Hcl	90	17
Januvia	Sitagliptin Phosphate	87	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	86	14
Nifedipine Er	Nifedipine	83	11
Olanzapine	Olanzapine	82	suppressed
Duloxetine Hcl	Duloxetine Hcl	80	suppressed
Azithromycin	Azithromycin	79	75
Buspirone Hcl	Buspirone Hcl	79	12
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	71	20
Methenamine Hippurate	Methenamine Hippurate	69	suppressed
Midodrine Hcl	Midodrine Hcl	68	12
Finasteride	Finasteride	65	11
Simvastatin	Simvastatin	64	suppressed
Trazodone Hcl	Trazodone Hcl	64	11
Warfarin Sodium	Warfarin Sodium	63	suppressed
Sertraline Hcl	Sertraline Hcl	62	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	61	11
Jardiance	Empagliflozin	60	suppressed
Calcium Acetate	Calcium Acetate	58	suppressed
Montelukast Sodium	Montelukast Sodium	58	suppressed
Clopidogrel	Clopidogrel Bisulfate	57	17
Prednisone	Prednisone	55	30
Carvedilol	Carvedilol	54	13
Xarelto	Rivaroxaban	54	suppressed
Clonazepam	Clonazepam	53	suppressed
Memantine Hcl	Memantine Hcl	53	suppressed
Famotidine	Famotidine	51	suppressed
Potassium Chloride	Potassium Chloride	49	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	45	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	44	suppressed
Oseltamivir Phosphate	Oseltamivir Phosphate	41	35
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	41	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	40	12
Entresto	Sacubitril/Valsartan	39	suppressed
Latanoprost	Latanoprost	38	suppressed
Aripiprazole	Aripiprazole	36	suppressed
Lorazepam	Lorazepam	36	12
Propranolol Hcl	Propranolol Hcl	35	suppressed
Citalopram Hbr	Citalopram Hydrobromide	34	suppressed
Labetalol Hcl	Labetalol Hcl	34	suppressed
Ondansetron Hcl	Ondansetron Hcl	34	21
Santyl	Collagenase Clostridium Hist.	34	suppressed
Fluticasone Propionate	Fluticasone Propionate	33	21
Allopurinol	Allopurinol	32	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	32	suppressed
Topiramate	Topiramate	32	suppressed
Oxycodone Hcl	Oxycodone Hcl	31	16
Tradjenta	Linagliptin	31	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	31	13
Ibuprofen	Ibuprofen	30	suppressed
Meropenem	Meropenem	30	13
Timolol Maleate	Timolol Maleate	30	suppressed
Baclofen	Baclofen	29	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	29	suppressed
Tramadol Hcl	Tramadol Hcl	29	12
Ssd	Silver Sulfadiazine	28	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	27	suppressed
Lactulose	Lactulose	27	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	27	26
Risperidone	Risperidone	27	suppressed
Ceftriaxone	Ceftriaxone Sodium	26	20
Chlorthalidone	Chlorthalidone	26	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	26	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	25	suppressed
Tizanidine Hcl	Tizanidine Hcl	25	suppressed
Vraylar	Cariprazine Hcl	25	suppressed
Breo Ellipta	Fluticasone/Vilanterol	24	suppressed
Clonidine Hcl	Clonidine Hcl	24	suppressed
Gemtesa	Vibegron	24	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	24	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	24	suppressed
Linzess	Linaclotide	23	suppressed
Methotrexate	Methotrexate Sodium	23	suppressed
Misoprostol	Misoprostol	23	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	23	suppressed
Torsemide	Torsemide	23	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	22	19
Glipizide	Glipizide	22	suppressed
Nystatin	Nystatin	22	suppressed
Sodium Chloride	0.9 % Sodium Chloride	22	17
Ventolin Hfa	Albuterol Sulfate	22	suppressed
Divalproex Sodium	Divalproex Sodium	21	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	21	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	21	16
Albuterol Sulfate Hfa	Albuterol Sulfate	20	14
Bupropion Hcl Sr	Bupropion Hcl	20	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	20	suppressed
Ketoconazole	Ketoconazole	20	suppressed
Levofloxacin	Levofloxacin	20	17
Methadone Hcl	Methadone Hcl	20	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	19	suppressed
Budesonide	Budesonide	18	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	18	12
Trulicity	Dulaglutide	18	suppressed
Amoxicillin	Amoxicillin	16	13
Bupropion Xl	Bupropion Hcl	16	suppressed
Insulin Lispro	Insulin Lispro	16	suppressed
Konvomep	Omeprazole/Sodium Bicarbonate	16	suppressed
Lidocaine Hcl	Lidocaine Hcl	16	12
Pregabalin	Pregabalin	16	suppressed
Semglee (Yfgn)	Insulin Glargine-Yfgn	16	suppressed
Alprazolam	Alprazolam	15	suppressed
Calcitriol	Calcitriol	15	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	15	suppressed
Lacosamide	Lacosamide	15	suppressed
Methocarbamol	Methocarbamol	15	suppressed
Valacyclovir	Valacyclovir Hcl	15	suppressed
Xifaxan	Rifaximin	15	suppressed
Albuterol Sulfate	Albuterol Sulfate	14	suppressed
Alogliptin	Alogliptin Benzoate	14	suppressed
Bumetanide	Bumetanide	14	suppressed
Mesalamine Dr	Mesalamine	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Sotalol	Sotalol Hcl	14	suppressed
Sps	Sodium Polystyrene Sulfon/Sorb	14	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	14	suppressed
Vascepa	Icosapent Ethyl	14	suppressed
Cephalexin	Cephalexin	13	12
Diclofenac Sodium	Diclofenac Sodium	13	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	13	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	13	suppressed
Lovastatin	Lovastatin	13	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	13	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	13	suppressed
Potassium Citrate Er	Potassium Citrate	13	suppressed
Ranolazine Er	Ranolazine	13	suppressed
Symbicort	Budesonide/Formoterol Fumarate	13	suppressed
Bupropion Hcl	Bupropion Hcl	12	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	12	suppressed
Cholestyramine	Cholestyramine (With Sugar)	12	suppressed
Daptomycin	Daptomycin	12	suppressed
Diltiazem Hcl	Diltiazem Hcl	12	suppressed
Incruse Ellipta	Umeclidinium Bromide	12	suppressed
Myrbetriq	Mirabegron	12	suppressed
Terazosin Hcl	Terazosin Hcl	12	suppressed
Ursodiol	Ursodiol	12	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	11	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	11	suppressed
Atrovent Hfa	Ipratropium Bromide	11	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	11	11
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	11	suppressed
Metolazone	Metolazone	11	suppressed
Primidone	Primidone	11	suppressed
Retacrit	Epoetin Alfa-Epbx	11	suppressed
Silver Sulfadiazine	Silver Sulfadiazine	11	suppressed
Ubrelvy	Ubrogepant	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