Healthcare provider profile · identity verified

Mark A Wargo, M.D.

Family Practice · STREATOR, IL · NPI 1457304156

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	1029	247
Levothyroxine Sodium	Levothyroxine Sodium	866	186
Amlodipine Besylate	Amlodipine Besylate	838	214
Warfarin Sodium	Warfarin Sodium	652	125
Gabapentin	Gabapentin	634	129
Furosemide	Furosemide	572	120
Metoprolol Succinate	Metoprolol Succinate	556	129
Lisinopril	Lisinopril	502	126
Metformin Hcl	Metformin Hcl	477	127
Pantoprazole Sodium	Pantoprazole Sodium	477	110
Potassium Chloride	Potassium Chloride	476	107
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	410	66
Rosuvastatin Calcium	Rosuvastatin Calcium	323	86
Simvastatin	Simvastatin	322	71
Losartan Potassium	Losartan Potassium	317	86
Jardiance	Empagliflozin	292	52
Alprazolam	Alprazolam	277	64
Hydrochlorothiazide	Hydrochlorothiazide	265	80
Albuterol Sulfate Hfa	Albuterol Sulfate	246	87
Allopurinol	Allopurinol	242	55
Tamsulosin Hcl	Tamsulosin Hcl	241	55
Metoprolol Tartrate	Metoprolol Tartrate	234	60
Tramadol Hcl	Tramadol Hcl	231	66
Omeprazole	Omeprazole	212	67
Sertraline Hcl	Sertraline Hcl	210	50
Clopidogrel	Clopidogrel Bisulfate	194	47
Eliquis	Apixaban	194	35
Montelukast Sodium	Montelukast Sodium	183	48
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	173	45
Carvedilol	Carvedilol	171	49
Escitalopram Oxalate	Escitalopram Oxalate	160	38
Citalopram Hbr	Citalopram Hydrobromide	158	42
Duloxetine Hcl	Duloxetine Hcl	153	26
Spironolactone	Spironolactone	152	46
Donepezil Hcl	Donepezil Hcl	144	23
Glipizide	Glipizide	134	37
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	133	34
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	115	28
Fluticasone Propionate	Fluticasone Propionate	115	47
Meloxicam	Meloxicam	105	39
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	99	21
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	98	28
Mirtazapine	Mirtazapine	93	19
Pravastatin Sodium	Pravastatin Sodium	92	26
Zolpidem Tartrate	Zolpidem Tartrate	92	23
Ozempic	Semaglutide	90	15
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	88	28
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	87	18
Metformin Hcl Er	Metformin Hcl	86	22
Buspirone Hcl	Buspirone Hcl	84	12
Cephalexin	Cephalexin	82	57
Famotidine	Famotidine	82	21
Hydralazine Hcl	Hydralazine Hcl	82	22
Alendronate Sodium	Alendronate Sodium	80	18
Ezetimibe	Ezetimibe	79	20
Fluoxetine Hcl	Fluoxetine Hcl	77	21
Clonazepam	Clonazepam	76	13
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	76	22
Enalapril Maleate	Enalapril Maleate	75	21
Glimepiride	Glimepiride	74	21
Ibuprofen	Ibuprofen	74	15
Esomeprazole Magnesium	Esomeprazole Magnesium	73	21
Januvia	Sitagliptin Phosphate	73	21
Paroxetine Hcl	Paroxetine Hcl	70	16
Atenolol	Atenolol	69	16
Trazodone Hcl	Trazodone Hcl	69	19
Memantine Hcl	Memantine Hcl	68	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	68	12
Ventolin Hfa	Albuterol Sulfate	68	27
Valsartan	Valsartan	65	13
Mounjaro	Tirzepatide	64	15
Lorazepam	Lorazepam	62	18
Ropinirole Hcl	Ropinirole Hcl	62	suppressed
Ondansetron Hcl	Ondansetron Hcl	60	32
Diazepam	Diazepam	59	14
Tizanidine Hcl	Tizanidine Hcl	59	13
Baclofen	Baclofen	56	16
Hydroxyzine Hcl	Hydroxyzine Hcl	56	24
Myrbetriq	Mirabegron	54	suppressed
Xarelto	Rivaroxaban	54	11
Synthroid	Levothyroxine Sodium	53	16
Quetiapine Fumarate	Quetiapine Fumarate	52	11
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	50	11
Celecoxib	Celecoxib	46	suppressed
Meclizine Hcl	Meclizine Hcl	46	21
Pioglitazone Hcl	Pioglitazone Hcl	46	14
Ramipril	Ramipril	46	12
Venlafaxine Hcl Er	Venlafaxine Hcl	46	13
Bupropion Hcl Sr	Bupropion Hcl	45	11
Latanoprost	Latanoprost	45	11
Pregabalin	Pregabalin	45	13
Glipizide Er	Glipizide	44	11
Morphine Sulfate Er	Morphine Sulfate	44	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	43	14
Wixela Inhub	Fluticasone Propion/Salmeterol	43	13
Nabumetone	Nabumetone	41	suppressed
Tradjenta	Linagliptin	40	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	39	suppressed
Azithromycin	Azithromycin	38	31
Fenofibrate	Fenofibrate	38	11
Labetalol Hcl	Labetalol Hcl	38	suppressed
Sucralfate	Sucralfate	38	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	37	suppressed
Bupropion Xl	Bupropion Hcl	36	suppressed
Calcitriol	Calcitriol	36	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	35	suppressed
Morphine Sulfate	Morphine Sulfate	35	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	34	25
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	34	15
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	33	13
Propranolol Hcl	Propranolol Hcl	33	suppressed
Trulicity	Dulaglutide	33	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	32	suppressed
Klor-Con M20	Potassium Chloride	32	12
Methylprednisolone	Methylprednisolone	32	30
Finasteride	Finasteride	31	suppressed
Novolog Flexpen	Insulin Aspart	31	12
Amoxicillin	Amoxicillin	30	25
Isosorbide Mononitrate Er	Isosorbide Mononitrate	30	suppressed
Breo Ellipta	Fluticasone/Vilanterol	29	suppressed
Fentanyl	Fentanyl	29	suppressed
Primidone	Primidone	29	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	29	suppressed
Nitroglycerin	Nitroglycerin	28	21
Symbicort	Budesonide/Formoterol Fumarate	28	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	28	suppressed
Amiodarone Hcl	Amiodarone Hcl	27	suppressed
Diclofenac Sodium	Diclofenac Sodium	27	15
Divalproex Sodium	Divalproex Sodium	27	suppressed
Naloxone Hcl	Naloxone Hcl	27	26
Namzaric	Memantine Hcl/Donepezil Hcl	27	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	26	suppressed
Estradiol	Estradiol	26	suppressed
Incruse Ellipta	Umeclidinium Bromide	26	suppressed
Terazosin Hcl	Terazosin Hcl	26	suppressed
Verapamil Er	Verapamil Hcl	26	suppressed
Fluconazole	Fluconazole	25	17
Humalog Kwikpen U-100	Insulin Lispro	25	suppressed
Levemir Flexpen	Insulin Detemir	25	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	24	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	24	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	23	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	23	22
Olanzapine	Olanzapine	23	suppressed
Valacyclovir	Valacyclovir Hcl	23	suppressed
Tresiba Flextouch U-200	Insulin Degludec	22	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	21	suppressed
Chlorthalidone	Chlorthalidone	21	suppressed
Dulera	Mometasone/Formoterol	21	suppressed
Lovastatin	Lovastatin	21	suppressed
Nystatin	Nystatin	21	13
Prednisone	Prednisone	21	16
Cefdinir	Cefdinir	20	18
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	20	suppressed
Novolog	Insulin Aspart	20	suppressed
Flecainide Acetate	Flecainide Acetate	19	suppressed
Fluphenazine Hcl	Fluphenazine Hcl	19	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	19	13
Lamotrigine	Lamotrigine	19	suppressed
Mupirocin	Mupirocin	19	11
Sildenafil Citrate	Sildenafil Citrate	19	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	18	suppressed
Arnuity Ellipta	Fluticasone Furoate	18	suppressed
Levetiracetam	Levetiracetam	18	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	18	suppressed
Torsemide	Torsemide	18	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	17	suppressed
Ipratropium Bromide	Ipratropium Bromide	17	suppressed
Ketoconazole	Ketoconazole	17	suppressed
Ondansetron Odt	Ondansetron	17	suppressed
Levofloxacin	Levofloxacin	16	14
Spiriva Handihaler	Tiotropium Bromide	16	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	suppressed
Varenicline Tartrate	Varenicline Tartrate	16	suppressed
Aripiprazole	Aripiprazole	15	suppressed
Enoxaparin Sodium	Enoxaparin Sodium	15	suppressed
Folic Acid	Folic Acid	15	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	15	suppressed
Moexipril Hcl	Moexipril Hcl	15	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	15	suppressed
Restasis	Cyclosporine	15	suppressed
Risperidone	Risperidone	15	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	14	11
Ibu	Ibuprofen	14	suppressed
Loperamide	Loperamide Hcl	14	suppressed
Naproxen	Naproxen	14	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	13	suppressed
Eplerenone	Eplerenone	13	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	13	suppressed
Methotrexate	Methotrexate Sodium	13	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	13	suppressed
Rivastigmine	Rivastigmine Tartrate	13	suppressed
Digoxin	Digoxin	12	suppressed
Divalproex Sodium Er	Divalproex Sodium	12	suppressed
Dorzolamide Hcl	Dorzolamide Hcl	12	suppressed
Eszopiclone	Eszopiclone	12	suppressed
Farxiga	Dapagliflozin Propanediol	12	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	12	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	12	suppressed
Novofine Autocover	Pen Needle, Diabetic, Safety	12	suppressed
Spiriva Respimat	Tiotropium Bromide	12	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	suppressed
Albuterol Sulfate	Albuterol Sulfate	11	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	11	suppressed
Carbamazepine Er	Carbamazepine	11	suppressed
Cilostazol	Cilostazol	11	suppressed
Clonidine Hcl	Clonidine Hcl	11	suppressed
Invokana	Canagliflozin	11	suppressed
Memantine Hcl Er	Memantine Hcl	11	suppressed
Metolazone	Metolazone	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