Healthcare provider profile · identity verified

Matthew John Horning, M.D.

Family Practice · ASHLAND, WI · NPI 1023285947

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
Amlodipine Besylate	Amlodipine Besylate	406	120
Atorvastatin Calcium	Atorvastatin Calcium	400	111
Lisinopril	Lisinopril	336	96
Omeprazole	Omeprazole	306	91
Metoprolol Succinate	Metoprolol Succinate	284	79
Losartan Potassium	Losartan Potassium	256	73
Hydrochlorothiazide	Hydrochlorothiazide	237	74
Levothyroxine Sodium	Levothyroxine Sodium	233	62
Rosuvastatin Calcium	Rosuvastatin Calcium	201	60
Furosemide	Furosemide	194	57
Tamsulosin Hcl	Tamsulosin Hcl	171	52
Allopurinol	Allopurinol	155	44
Metformin Hcl	Metformin Hcl	150	42
Warfarin Sodium	Warfarin Sodium	141	27
Gabapentin	Gabapentin	132	36
Simvastatin	Simvastatin	128	40
Lorazepam	Lorazepam	119	17
Metformin Hcl Er	Metformin Hcl	106	36
Metoprolol Tartrate	Metoprolol Tartrate	105	32
Ozempic	Semaglutide	105	17
Albuterol Sulfate Hfa	Albuterol Sulfate	100	37
Eliquis	Apixaban	94	24
Sertraline Hcl	Sertraline Hcl	89	29
Finasteride	Finasteride	87	22
Potassium Chloride	Potassium Chloride	82	27
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	69	14
Xarelto	Rivaroxaban	65	15
Atenolol	Atenolol	55	16
Fluticasone Propionate	Fluticasone Propionate	52	14
Oxycodone Hcl	Oxycodone Hcl	52	11
Pravastatin Sodium	Pravastatin Sodium	52	17
Pantoprazole Sodium	Pantoprazole Sodium	51	14
Clopidogrel	Clopidogrel Bisulfate	46	15
Trazodone Hcl	Trazodone Hcl	45	14
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	43	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	41	suppressed
Bupropion Xl	Bupropion Hcl	38	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	37	19
Donepezil Hcl	Donepezil Hcl	36	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	36	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	36	suppressed
Jardiance	Empagliflozin	35	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	35	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	34	suppressed
Tramadol Hcl	Tramadol Hcl	34	12
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	33	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	33	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	32	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	32	suppressed
Terazosin Hcl	Terazosin Hcl	32	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	31	suppressed
Trulicity	Dulaglutide	31	suppressed
Breo Ellipta	Fluticasone/Vilanterol	29	suppressed
Duloxetine Hcl	Duloxetine Hcl	28	suppressed
Montelukast Sodium	Montelukast Sodium	28	suppressed
Diazepam	Diazepam	27	suppressed
Prednisone	Prednisone	27	13
Sucralfate	Sucralfate	27	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	26	suppressed
Clonazepam	Clonazepam	25	suppressed
Nystatin	Nystatin	25	suppressed
Spiriva Handihaler	Tiotropium Bromide	25	suppressed
Citalopram Hbr	Citalopram Hydrobromide	24	suppressed
Enalapril Maleate	Enalapril Maleate	24	suppressed
Baclofen	Baclofen	23	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	23	suppressed
Ropinirole Hcl	Ropinirole Hcl	23	suppressed
Carvedilol	Carvedilol	22	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	21	14
Famotidine	Famotidine	21	suppressed
Paroxetine Hcl	Paroxetine Hcl	21	suppressed
Spironolactone	Spironolactone	21	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	20	16
Methotrexate	Methotrexate Sodium	20	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	20	13
Diclofenac Sodium	Diclofenac Sodium	19	suppressed
Gemfibrozil	Gemfibrozil	19	suppressed
Nitroglycerin	Nitroglycerin	19	16
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	18	suppressed
Glimepiride	Glimepiride	16	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	16	suppressed
Synthroid	Levothyroxine Sodium	16	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	16	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	15	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	15	suppressed
Januvia	Sitagliptin Phosphate	15	suppressed
Tizanidine Hcl	Tizanidine Hcl	15	suppressed
Ventolin Hfa	Albuterol Sulfate	15	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Ibuprofen	Ibuprofen	14	suppressed
Olanzapine	Olanzapine	14	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	14	suppressed
Advair Diskus	Fluticasone Propion/Salmeterol	13	suppressed
Dulera	Mometasone/Formoterol	13	suppressed
Glipizide	Glipizide	13	suppressed
Humalog Kwikpen U-100	Insulin Lispro	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	13
Alendronate Sodium	Alendronate Sodium	12	suppressed
Bydureon Bcise	Exenatide Microspheres	12	suppressed
Clonidine Hcl	Clonidine Hcl	12	suppressed
Digoxin	Digoxin	12	suppressed
Methocarbamol	Methocarbamol	12	suppressed
Nifedipine Er	Nifedipine	12	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	12	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	12	suppressed
Bumetanide	Bumetanide	11	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	11
Lamotrigine	Lamotrigine	11	suppressed
Levetiracetam	Levetiracetam	11	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	11	suppressed
Primidone	Primidone	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