Healthcare provider profile · identity verified

Eric C Duwell, MD

Family Practice · OSHKOSH, WI · NPI 1710092978

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	588	158
Losartan Potassium	Losartan Potassium	559	139
Rosuvastatin Calcium	Rosuvastatin Calcium	534	149
Amlodipine Besylate	Amlodipine Besylate	502	126
Lisinopril	Lisinopril	373	94
Levothyroxine Sodium	Levothyroxine Sodium	334	78
Omeprazole	Omeprazole	323	89
Pantoprazole Sodium	Pantoprazole Sodium	242	71
Furosemide	Furosemide	235	65
Eliquis	Apixaban	214	51
Metoprolol Succinate	Metoprolol Succinate	206	58
Gabapentin	Gabapentin	198	58
Metoprolol Tartrate	Metoprolol Tartrate	193	45
Hydrochlorothiazide	Hydrochlorothiazide	190	60
Escitalopram Oxalate	Escitalopram Oxalate	179	46
Metformin Hcl	Metformin Hcl	175	43
Spironolactone	Spironolactone	169	50
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	166	44
Tamsulosin Hcl	Tamsulosin Hcl	165	48
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	159	44
Allopurinol	Allopurinol	155	40
Jardiance	Empagliflozin	149	38
Albuterol Sulfate Hfa	Albuterol Sulfate	142	44
Simvastatin	Simvastatin	130	40
Warfarin Sodium	Warfarin Sodium	125	26
Trazodone Hcl	Trazodone Hcl	120	33
Potassium Chloride	Potassium Chloride	118	30
Pravastatin Sodium	Pravastatin Sodium	116	27
Clopidogrel	Clopidogrel Bisulfate	112	31
Metformin Hcl Er	Metformin Hcl	112	31
Alprazolam	Alprazolam	108	32
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	102	24
Ozempic	Semaglutide	101	22
Carvedilol	Carvedilol	97	27
Duloxetine Hcl	Duloxetine Hcl	97	19
Famotidine	Famotidine	94	24
Lovastatin	Lovastatin	93	21
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	92	23
Fluoxetine Hcl	Fluoxetine Hcl	88	24
Clonazepam	Clonazepam	86	13
Chlorthalidone	Chlorthalidone	80	21
Glipizide Er	Glipizide	79	23
Zolpidem Tartrate	Zolpidem Tartrate	78	22
Fluticasone Propionate	Fluticasone Propionate	74	27
Prednisone	Prednisone	74	33
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	71	31
Bupropion Xl	Bupropion Hcl	68	17
Venlafaxine Hcl Er	Venlafaxine Hcl	68	17
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	65	16
Donepezil Hcl	Donepezil Hcl	64	13
Tramadol Hcl	Tramadol Hcl	62	22
Citalopram Hbr	Citalopram Hydrobromide	61	20
Sertraline Hcl	Sertraline Hcl	57	14
Finasteride	Finasteride	56	14
Propranolol Hcl	Propranolol Hcl	55	suppressed
Montelukast Sodium	Montelukast Sodium	54	19
Paroxetine Hcl	Paroxetine Hcl	52	13
Meloxicam	Meloxicam	50	22
Triamcinolone Acetonide	Triamcinolone Acetonide	48	27
Atenolol	Atenolol	47	11
Trulicity	Dulaglutide	46	suppressed
Estradiol	Estradiol	40	16
Diazepam	Diazepam	38	suppressed
Amoxicillin	Amoxicillin	37	24
Glipizide	Glipizide	37	11
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	37	11
Amitriptyline Hcl	Amitriptyline Hcl	36	suppressed
Calcitriol	Calcitriol	36	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	32	suppressed
Mounjaro	Tirzepatide	32	suppressed
Torsemide	Torsemide	32	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	32	suppressed
Breo Ellipta	Fluticasone/Vilanterol	31	suppressed
Cephalexin	Cephalexin	30	21
Ipratropium Bromide	Ipratropium Bromide	30	suppressed
Aripiprazole	Aripiprazole	29	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	29	suppressed
Ezetimibe	Ezetimibe	29	11
Myrbetriq	Mirabegron	29	suppressed
Lorazepam	Lorazepam	28	12
Valacyclovir	Valacyclovir Hcl	28	13
Oxybutynin Chloride	Oxybutynin Chloride	27	suppressed
Celecoxib	Celecoxib	26	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	26	suppressed
Alendronate Sodium	Alendronate Sodium	25	suppressed
Azithromycin	Azithromycin	24	16
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	24	suppressed
Farxiga	Dapagliflozin Propanediol	24	suppressed
Synthroid	Levothyroxine Sodium	24	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	24	suppressed
Acyclovir	Acyclovir	23	suppressed
Creon	Lipase/Protease/Amylase	23	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	23	12
Diclofenac Sodium	Diclofenac Sodium	23	suppressed
Lamotrigine	Lamotrigine	23	suppressed
Ropinirole Hcl	Ropinirole Hcl	23	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	23	17
Ventolin Hfa	Albuterol Sulfate	23	suppressed
Repaglinide	Repaglinide	22	suppressed
Ketoconazole	Ketoconazole	21	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	21	suppressed
Arnuity Ellipta	Fluticasone Furoate	20	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	20	suppressed
Midodrine Hcl	Midodrine Hcl	20	suppressed
Tizanidine Hcl	Tizanidine Hcl	20	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	19	suppressed
Colesevelam Hcl	Colesevelam Hcl	19	suppressed
Levetiracetam	Levetiracetam	19	suppressed
Np Thyroid	Thyroid,pork	19	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	19	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	18	suppressed
Clonidine Hcl	Clonidine Hcl	18	suppressed
Hydralazine Hcl	Hydralazine Hcl	18	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	18	suppressed
Spiriva Respimat	Tiotropium Bromide	18	suppressed
Topiramate	Topiramate	18	suppressed
Latanoprost	Latanoprost	17	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	17	suppressed
Xarelto	Rivaroxaban	17	suppressed
Acetazolamide	Acetazolamide	16	suppressed
Bumetanide	Bumetanide	15	suppressed
Buspirone Hcl	Buspirone Hcl	15	suppressed
Dilt-Xr	Diltiazem Hcl	15	suppressed
Doxepin Hcl	Doxepin Hcl	15	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	15	suppressed
Propranolol Hcl Er	Propranolol Hcl	15	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	14	suppressed
Pregabalin	Pregabalin	14	suppressed
Ursodiol	Ursodiol	14	suppressed
Verapamil Er	Verapamil Hcl	14	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	14	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	13	suppressed
Colchicine	Colchicine	13	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	13	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	13	13
Solifenacin Succinate	Solifenacin Succinate	13	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	12	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	12	suppressed
Diltiazem 24hr Er (Xr)	Diltiazem Hcl	12	suppressed
Eszopiclone	Eszopiclone	12	suppressed
Nitroglycerin	Nitroglycerin	12	suppressed
Nystatin	Nystatin	12	suppressed
Ondansetron Hcl	Ondansetron Hcl	12	suppressed
Carbamazepine	Carbamazepine	11	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	11	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	11	suppressed
Enalapril Maleate	Enalapril Maleate	11	suppressed
Loperamide	Loperamide Hcl	11	suppressed
Metronidazole	Metronidazole	11	suppressed
Mirtazapine	Mirtazapine	11	suppressed
Neomycin-Polymyxin-Hydrocort	Neomycin/Polymyxin B/Hydrocort	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