Healthcare provider profile · identity verified

James G. Corwin, M.D.

Internal Medicine · CINCINNATI, OH · NPI 1558363374

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	618	216
Omeprazole	Omeprazole	357	126
Amlodipine Besylate	Amlodipine Besylate	250	88
Rosuvastatin Calcium	Rosuvastatin Calcium	223	91
Pantoprazole Sodium	Pantoprazole Sodium	210	78
Lisinopril	Lisinopril	206	82
Tamsulosin Hcl	Tamsulosin Hcl	203	67
Gabapentin	Gabapentin	198	69
Pravastatin Sodium	Pravastatin Sodium	191	70
Levothyroxine Sodium	Levothyroxine Sodium	187	69
Metoprolol Succinate	Metoprolol Succinate	133	43
Prednisone	Prednisone	131	85
Losartan Potassium	Losartan Potassium	129	50
Sertraline Hcl	Sertraline Hcl	124	35
Metformin Hcl Er	Metformin Hcl	105	44
Meloxicam	Meloxicam	102	37
Trazodone Hcl	Trazodone Hcl	96	33
Metformin Hcl	Metformin Hcl	93	25
Fluticasone Propionate	Fluticasone Propionate	89	39
Jardiance	Empagliflozin	87	26
Glimepiride	Glimepiride	86	31
Escitalopram Oxalate	Escitalopram Oxalate	84	25
Pregabalin	Pregabalin	80	22
Trulicity	Dulaglutide	79	15
Simvastatin	Simvastatin	74	27
Alendronate Sodium	Alendronate Sodium	71	24
Montelukast Sodium	Montelukast Sodium	70	26
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	69	25
Furosemide	Furosemide	67	31
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	67	25
Hydrochlorothiazide	Hydrochlorothiazide	63	26
Azelastine Hcl	Azelastine Hcl	62	29
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	59	15
Clonazepam	Clonazepam	58	11
Synthroid	Levothyroxine Sodium	58	18
Tramadol Hcl	Tramadol Hcl	58	13
Diclofenac Sodium	Diclofenac Sodium	55	16
Potassium Chloride	Potassium Chloride	55	21
Zolpidem Tartrate	Zolpidem Tartrate	55	16
Allopurinol	Allopurinol	53	22
Finasteride	Finasteride	53	16
Bupropion Xl	Bupropion Hcl	51	22
Doxycycline Hyclate	Doxycycline Hyclate	50	44
Mirtazapine	Mirtazapine	49	21
Albuterol Sulfate Hfa	Albuterol Sulfate	48	20
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	45	19
Eliquis	Apixaban	44	13
Fluoxetine Hcl	Fluoxetine Hcl	44	16
Paroxetine Hcl	Paroxetine Hcl	44	16
Ezetimibe	Ezetimibe	41	12
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	40	14
Ozempic	Semaglutide	40	12
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	39	36
Duloxetine Hcl	Duloxetine Hcl	39	14
Lorazepam	Lorazepam	38	17
Metoprolol Tartrate	Metoprolol Tartrate	38	18
Ipratropium Bromide	Ipratropium Bromide	36	15
Ketoconazole	Ketoconazole	34	22
Famotidine	Famotidine	33	17
Spironolactone	Spironolactone	33	11
Venlafaxine Hcl Er	Venlafaxine Hcl	33	12
Breo Ellipta	Fluticasone/Vilanterol	32	suppressed
Celecoxib	Celecoxib	31	suppressed
Glipizide	Glipizide	31	suppressed
Ibuprofen	Ibuprofen	31	suppressed
Atenolol	Atenolol	30	11
Clopidogrel	Clopidogrel Bisulfate	30	suppressed
Tresiba Flextouch U-100	Insulin Degludec	30	suppressed
Hydralazine Hcl	Hydralazine Hcl	29	suppressed
Warfarin Sodium	Warfarin Sodium	29	suppressed
Carvedilol	Carvedilol	28	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	28	suppressed
Klor-Con M20	Potassium Chloride	27	11
Triamcinolone Acetonide	Triamcinolone Acetonide	27	15
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	25	21
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	25	13
Xarelto	Rivaroxaban	25	suppressed
Aripiprazole	Aripiprazole	24	suppressed
Irbesartan	Irbesartan	24	14
Ondansetron Hcl	Ondansetron Hcl	24	11
Benazepril Hcl	Benazepril Hcl	23	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	22	11
Oxycodone Hcl	Oxycodone Hcl	22	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	21	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	19	suppressed
Citalopram Hbr	Citalopram Hydrobromide	19	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	19	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	19	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	18	suppressed
Cefdinir	Cefdinir	17	17
Donepezil Hcl	Donepezil Hcl	17	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	17	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	17	suppressed
Torsemide	Torsemide	17	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	17	suppressed
Chlorthalidone	Chlorthalidone	16	suppressed
Mounjaro	Tirzepatide	16	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	14
Memantine Hcl	Memantine Hcl	15	suppressed
Repatha Syringe	Evolocumab	15	suppressed
Levetiracetam	Levetiracetam	14	suppressed
Levofloxacin	Levofloxacin	14	14
Amitriptyline Hcl	Amitriptyline Hcl	13	suppressed
Incruse Ellipta	Umeclidinium Bromide	13	suppressed
Nystatin	Nystatin	13	suppressed
Alprazolam	Alprazolam	12	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	12	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	12	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Naproxen	Naproxen	12	suppressed
Striverdi Respimat	Olodaterol Hcl	12	suppressed
Temazepam	Temazepam	12	suppressed
Valsartan	Valsartan	12	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	12	suppressed
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	11	suppressed
Amoxicillin	Amoxicillin	11	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	11	suppressed
Dulera	Mometasone/Formoterol	11	suppressed
Methimazole	Methimazole	11	suppressed
Methocarbamol	Methocarbamol	11	suppressed
Morphine Sulfate Er	Morphine Sulfate	11	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	11	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	11	11

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