Healthcare provider profile · identity verified

Robert R Cornwell, MD

Internal Medicine · MANITOWOC, WI · NPI 1568448025

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	811	228
Lisinopril	Lisinopril	508	135
Metoprolol Succinate	Metoprolol Succinate	493	145
Levothyroxine Sodium	Levothyroxine Sodium	485	106
Omeprazole	Omeprazole	468	128
Amlodipine Besylate	Amlodipine Besylate	450	142
Furosemide	Furosemide	376	101
Gabapentin	Gabapentin	360	86
Tramadol Hcl	Tramadol Hcl	342	66
Metformin Hcl	Metformin Hcl	341	87
Tamsulosin Hcl	Tamsulosin Hcl	302	81
Eliquis	Apixaban	297	72
Rosuvastatin Calcium	Rosuvastatin Calcium	281	84
Potassium Chloride	Potassium Chloride	276	76
Losartan Potassium	Losartan Potassium	258	79
Simvastatin	Simvastatin	255	67
Allopurinol	Allopurinol	243	61
Metoprolol Tartrate	Metoprolol Tartrate	243	68
Albuterol Sulfate Hfa	Albuterol Sulfate	241	64
Pantoprazole Sodium	Pantoprazole Sodium	233	62
Finasteride	Finasteride	200	47
Metformin Hcl Er	Metformin Hcl	192	55
Warfarin Sodium	Warfarin Sodium	181	44
Hydrochlorothiazide	Hydrochlorothiazide	179	60
Pravastatin Sodium	Pravastatin Sodium	168	47
Sertraline Hcl	Sertraline Hcl	161	40
Prednisone	Prednisone	150	54
Alendronate Sodium	Alendronate Sodium	143	38
Trazodone Hcl	Trazodone Hcl	143	39
Lorazepam	Lorazepam	142	29
Zolpidem Tartrate	Zolpidem Tartrate	138	23
Spironolactone	Spironolactone	135	46
Trulicity	Dulaglutide	134	22
Donepezil Hcl	Donepezil Hcl	131	31
Carvedilol	Carvedilol	126	40
Memantine Hcl	Memantine Hcl	125	22
Citalopram Hbr	Citalopram Hydrobromide	122	34
Clopidogrel	Clopidogrel Bisulfate	116	36
Mounjaro	Tirzepatide	111	18
Quetiapine Fumarate	Quetiapine Fumarate	108	16
Atenolol	Atenolol	107	26
Duloxetine Hcl	Duloxetine Hcl	107	30
Meloxicam	Meloxicam	104	27
Glimepiride	Glimepiride	102	32
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	102	32
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	99	30
Tizanidine Hcl	Tizanidine Hcl	84	28
Jardiance	Empagliflozin	80	22
Famotidine	Famotidine	79	21
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	78	18
Fluticasone Propionate	Fluticasone Propionate	77	25
Ezetimibe	Ezetimibe	76	23
Alprazolam	Alprazolam	74	15
Escitalopram Oxalate	Escitalopram Oxalate	73	16
Montelukast Sodium	Montelukast Sodium	70	20
Glipizide Er	Glipizide	69	19
Amitriptyline Hcl	Amitriptyline Hcl	66	15
Triamcinolone Acetonide	Triamcinolone Acetonide	66	38
Bupropion Hcl Sr	Bupropion Hcl	64	19
Mirtazapine	Mirtazapine	64	17
Oxybutynin Chloride Er	Oxybutynin Chloride	64	16
Valsartan	Valsartan	64	15
Isosorbide Mononitrate Er	Isosorbide Mononitrate	57	15
Benazepril Hcl	Benazepril Hcl	54	14
Propranolol Hcl	Propranolol Hcl	54	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	53	12
Lovastatin	Lovastatin	52	16
Ozempic	Semaglutide	52	13
Fluoxetine Hcl	Fluoxetine Hcl	51	14
Torsemide	Torsemide	50	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	50	12
Hydroxyzine Hcl	Hydroxyzine Hcl	48	13
Xarelto	Rivaroxaban	48	14
Celecoxib	Celecoxib	47	11
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	47	suppressed
Propranolol Hcl Er	Propranolol Hcl	47	11
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	45	14
Nifedipine Er	Nifedipine	45	suppressed
Levetiracetam	Levetiracetam	42	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	42	13
Fenofibrate	Fenofibrate Nanocrystallized	41	13
Nitroglycerin	Nitroglycerin	40	31
Paroxetine Hcl	Paroxetine Hcl	39	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	39	11
Hydralazine Hcl	Hydralazine Hcl	38	11
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	38	suppressed
Glipizide	Glipizide	37	suppressed
Irbesartan	Irbesartan	37	suppressed
Januvia	Sitagliptin Phosphate	37	suppressed
Buspirone Hcl	Buspirone Hcl	36	suppressed
Clonidine Hcl	Clonidine Hcl	36	12
Bumetanide	Bumetanide	35	17
Digoxin	Digoxin	35	11
Lamotrigine	Lamotrigine	35	suppressed
Ondansetron Odt	Ondansetron	35	suppressed
Klor-Con M20	Potassium Chloride	34	suppressed
Solifenacin Succinate	Solifenacin Succinate	34	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	34	17
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	33	15
Prochlorperazine Maleate	Prochlorperazine Maleate	32	suppressed
Synthroid	Levothyroxine Sodium	32	suppressed
Varenicline Tartrate	Varenicline Tartrate	32	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	31	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	31	12
Nystatin	Nystatin	31	12
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	31	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	30	15
Terazosin Hcl	Terazosin Hcl	30	suppressed
Metolazone	Metolazone	29	suppressed
Oxycodone Hcl	Oxycodone Hcl	29	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	29	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	28	23
Combivent Respimat	Ipratropium/Albuterol Sulfate	28	suppressed
Fenofibrate	Fenofibrate	28	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	28	suppressed
Pregabalin	Pregabalin	28	12
Ropinirole Hcl	Ropinirole Hcl	28	suppressed
Symbicort	Budesonide/Formoterol Fumarate	28	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	27	suppressed
Clonazepam	Clonazepam	26	suppressed
Ipratropium Bromide	Ipratropium Bromide	26	suppressed
Ondansetron Hcl	Ondansetron Hcl	25	14
Topiramate	Topiramate	25	suppressed
Amoxicillin	Amoxicillin	24	20
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	24	suppressed
Cephalexin	Cephalexin	23	12
Gemfibrozil	Gemfibrozil	23	suppressed
Imipramine Hcl	Imipramine Hcl	23	suppressed
Meclizine Hcl	Meclizine Hcl	23	12
Ventolin Hfa	Albuterol Sulfate	23	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	22	11
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	22	suppressed
Diclofenac Sodium	Diclofenac Sodium	22	11
Bupropion Xl	Bupropion Hcl	21	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	21	suppressed
Spiriva Handihaler	Tiotropium Bromide	21	suppressed
Ursodiol	Ursodiol	21	suppressed
Amiloride Hcl	Amiloride Hcl	20	suppressed
Baclofen	Baclofen	20	suppressed
Carbamazepine Er	Carbamazepine	20	suppressed
Enalapril Maleate	Enalapril Maleate	20	suppressed
Fosinopril Sodium	Fosinopril Sodium	19	suppressed
Midodrine Hcl	Midodrine Hcl	19	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	19	suppressed
Amiodarone Hcl	Amiodarone Hcl	18	suppressed
Cefuroxime	Cefuroxime Axetil	18	14
Diazepam	Diazepam	18	suppressed
Dutasteride	Dutasteride	18	suppressed
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	18	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	18	suppressed
Valacyclovir	Valacyclovir Hcl	18	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	17	suppressed
Azithromycin	Azithromycin	17	suppressed
Biktarvy	Bictegrav/Emtricit/Tenofov Ala	17	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	17	suppressed
Myrbetriq	Mirabegron	17	suppressed
Novolog Flexpen	Insulin Aspart	17	suppressed
Nystop	Nystatin	17	suppressed
Repatha Sureclick	Evolocumab	17	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	16	14
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	16	suppressed
Incruse Ellipta	Umeclidinium Bromide	16	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	15	suppressed
Methocarbamol	Methocarbamol	15	suppressed
Mometasone Furoate	Mometasone Furoate	15	suppressed
Olanzapine	Olanzapine	15	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	15	15
Sucralfate	Sucralfate	15	suppressed
Zaleplon	Zaleplon	15	suppressed
Nabumetone	Nabumetone	14	suppressed
Budesonide Dr	Budesonide	13	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	13	suppressed
Cholestyramine	Cholestyramine (With Sugar)	13	suppressed
Fanapt	Iloperidone	13	suppressed
Folic Acid	Folic Acid	13	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	13	suppressed
Novolin 70-30 Flexpen	Insulin Nph Hum/Reg Insulin Hm	13	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	12	suppressed
Aripiprazole	Aripiprazole	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Naltrexone Hcl	Naltrexone Hcl	12	suppressed
Nexium	Esomeprazole Magnesium	12	suppressed
Novolog Mix 70-30 Flexpen	Insulin Aspart Prot/Insuln Asp	12	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	12	suppressed
Spiriva Respimat	Tiotropium Bromide	12	suppressed
Terbinafine Hcl	Terbinafine Hcl	12	suppressed
Tobramycin-Dexamethasone	Tobramycin/Dexamethasone	12	suppressed
Bydureon Bcise	Exenatide Microspheres	11	suppressed
Clotrimazole	Clotrimazole	11	suppressed
Colchicine	Colchicine	11	suppressed
Divalproex Sodium	Divalproex Sodium	11	suppressed
Entresto	Sacubitril/Valsartan	11	suppressed
Loperamide	Loperamide Hcl	11	suppressed
Potassium Citrate Er	Potassium Citrate	11	suppressed
Ramipril	Ramipril	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	11	suppressed
Tresiba Flextouch U-100	Insulin Degludec	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