Healthcare provider profile · identity verified

John M Koval, MD

Internal Medicine · YOUNGSTOWN, OH · NPI 1992773451

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	1194	315
Amlodipine Besylate	Amlodipine Besylate	902	221
Levothyroxine Sodium	Levothyroxine Sodium	768	186
Metoprolol Succinate	Metoprolol Succinate	739	177
Pantoprazole Sodium	Pantoprazole Sodium	583	147
Rosuvastatin Calcium	Rosuvastatin Calcium	543	151
Eliquis	Apixaban	433	76
Lisinopril	Lisinopril	420	112
Losartan Potassium	Losartan Potassium	389	104
Omeprazole	Omeprazole	364	79
Metformin Hcl Er	Metformin Hcl	358	92
Prednisone	Prednisone	356	188
Furosemide	Furosemide	332	82
Sertraline Hcl	Sertraline Hcl	311	68
Potassium Chloride	Potassium Chloride	295	63
Metoprolol Tartrate	Metoprolol Tartrate	288	64
Allopurinol	Allopurinol	271	70
Gabapentin	Gabapentin	265	66
Hydrochlorothiazide	Hydrochlorothiazide	262	70
Lorazepam	Lorazepam	257	48
Simvastatin	Simvastatin	256	63
Escitalopram Oxalate	Escitalopram Oxalate	236	68
Synthroid	Levothyroxine Sodium	192	44
Montelukast Sodium	Montelukast Sodium	167	46
Pravastatin Sodium	Pravastatin Sodium	166	43
Azithromycin	Azithromycin	165	130
Tamsulosin Hcl	Tamsulosin Hcl	164	54
Atenolol	Atenolol	161	43
Meloxicam	Meloxicam	143	39
Donepezil Hcl	Donepezil Hcl	142	40
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	129	30
Metformin Hcl	Metformin Hcl	128	34
Amoxicillin	Amoxicillin	124	98
Meclizine Hcl	Meclizine Hcl	119	50
Carvedilol	Carvedilol	110	28
Clopidogrel	Clopidogrel Bisulfate	109	31
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	99	25
Duloxetine Hcl	Duloxetine Hcl	98	27
Fenofibrate	Fenofibrate Nanocrystallized	98	22
Warfarin Sodium	Warfarin Sodium	96	23
Alendronate Sodium	Alendronate Sodium	93	24
Ibuprofen	Ibuprofen	93	39
Fluticasone Propionate	Fluticasone Propionate	90	34
Cefdinir	Cefdinir	88	66
Glimepiride	Glimepiride	85	25
Diclofenac Sodium	Diclofenac Sodium	83	26
Hydralazine Hcl	Hydralazine Hcl	82	19
Famotidine	Famotidine	81	20
Oxybutynin Chloride Er	Oxybutynin Chloride	81	18
Ezetimibe	Ezetimibe	80	24
Isosorbide Mononitrate Er	Isosorbide Mononitrate	71	16
Zolpidem Tartrate	Zolpidem Tartrate	71	15
Albuterol Sulfate Hfa	Albuterol Sulfate	70	28
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	69	23
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	67	18
Citalopram Hbr	Citalopram Hydrobromide	66	20
Cephalexin	Cephalexin	65	54
Trazodone Hcl	Trazodone Hcl	64	17
Mirtazapine	Mirtazapine	63	14
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	62	suppressed
Doxepin Hcl	Doxepin Hcl	58	14
Finasteride	Finasteride	58	19
Fluoxetine Hcl	Fluoxetine Hcl	57	11
Tramadol Hcl	Tramadol Hcl	57	15
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	57	13
Spironolactone	Spironolactone	56	12
Ciprofloxacin Hcl	Ciprofloxacin Hcl	53	40
Sucralfate	Sucralfate	51	18
Valacyclovir	Valacyclovir Hcl	51	23
Fenofibrate	Fenofibrate	50	13
Irbesartan	Irbesartan	50	14
Paxlovid	Nirmatrelvir/Ritonavir	49	47
Celecoxib	Celecoxib	47	12
Ibu	Ibuprofen	46	20
Trulicity	Dulaglutide	46	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	45	28
Jardiance	Empagliflozin	45	12
Ramipril	Ramipril	45	12
Clonidine Hcl	Clonidine Hcl	44	suppressed
Memantine Hcl	Memantine Hcl	44	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	44	19
Paroxetine Hcl	Paroxetine Hcl	44	12
Bumetanide	Bumetanide	43	11
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	41	suppressed
Buspirone Hcl	Buspirone Hcl	41	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	41	suppressed
Ozempic	Semaglutide	41	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	40	12
Ondansetron Hcl	Ondansetron Hcl	40	18
Bupropion Xl	Bupropion Hcl	39	12
Esomeprazole Magnesium	Esomeprazole Magnesium	38	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	37	32
Ketoconazole	Ketoconazole	36	22
Methylprednisolone	Methylprednisolone	35	33
Repatha Sureclick	Evolocumab	35	suppressed
Verapamil Er	Verapamil Hcl	34	suppressed
Benazepril Hcl	Benazepril Hcl	33	suppressed
Valsartan	Valsartan	33	suppressed
Lovastatin	Lovastatin	32	suppressed
Januvia	Sitagliptin Phosphate	31	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	30	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	29	suppressed
Mounjaro	Tirzepatide	28	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	28	suppressed
Ropinirole Hcl	Ropinirole Hcl	28	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	27	suppressed
Klor-Con M20	Potassium Chloride	26	suppressed
Levetiracetam	Levetiracetam	26	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	26	suppressed
Colchicine	Colchicine	24	suppressed
Tizanidine Hcl	Tizanidine Hcl	24	16
Carbidopa-Levodopa Er	Carbidopa/Levodopa	23	suppressed
Digoxin	Digoxin	23	suppressed
Fenofibrate	Fenofibrate,micronized	23	suppressed
Levofloxacin	Levofloxacin	23	13
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	22	suppressed
Hydrocortisone	Hydrocortisone	22	19
Alprazolam	Alprazolam	21	suppressed
Baclofen	Baclofen	21	suppressed
Cholestyramine	Cholestyramine (With Sugar)	21	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	21	suppressed
Jantoven	Warfarin Sodium	21	suppressed
Sotalol	Sotalol Hcl	21	suppressed
Diclofenac Potassium	Diclofenac Potassium	20	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	19	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	19	suppressed
Latanoprost	Latanoprost	19	suppressed
Myrbetriq	Mirabegron	19	suppressed
Neomycin-Polymyxin-Dexameth	Neomycin/Polymyxin B/Dexametha	19	14
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	18	suppressed
Acebutolol Hcl	Acebutolol Hcl	17	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	17	suppressed
Desmopressin Acetate	Desmopressin Acetate	17	suppressed
Enalapril Maleate	Enalapril Maleate	17	suppressed
Farxiga	Dapagliflozin Propanediol	17	suppressed
Oxcarbazepine	Oxcarbazepine	17	suppressed
Primidone	Primidone	17	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	17	suppressed
Naproxen	Naproxen	16	suppressed
Amiodarone Hcl	Amiodarone Hcl	15	suppressed
Lansoprazole	Lansoprazole	15	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	15	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	14	suppressed
Fenofibric Acid	Fenofibric Acid (Choline)	14	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	14	suppressed
Torsemide	Torsemide	14	suppressed
Tradjenta	Linagliptin	14	suppressed
Arnuity Ellipta	Fluticasone Furoate	13	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	13	suppressed
Methenamine Hippurate	Methenamine Hippurate	13	suppressed
Nifedipine Er	Nifedipine	13	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	13	suppressed
Prazosin Hcl	Prazosin Hcl	13	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	13	12
Dilantin	Phenytoin Sodium Extended	12	suppressed
Fluconazole	Fluconazole	12	suppressed
Nitroglycerin	Nitroglycerin	12	suppressed
Raloxifene Hcl	Raloxifene Hcl	12	suppressed
Symbicort	Budesonide/Formoterol Fumarate	12	suppressed
Tresiba Flextouch U-100	Insulin Degludec	12	suppressed
Verapamil Sr	Verapamil Hcl	12	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Breo Ellipta	Fluticasone/Vilanterol	11	suppressed
Clonazepam	Clonazepam	11	suppressed
Cromolyn Sodium	Cromolyn Sodium	11	suppressed
Metronidazole	Metronidazole	11	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	11	suppressed
Pregabalin	Pregabalin	11	suppressed
Propranolol Hcl Er	Propranolol Hcl	11	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	11	suppressed
Xarelto	Rivaroxaban	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