Healthcare provider profile · identity verified

James Bernard Dunnan, MD

Family Practice · DUBLIN, OH · NPI 1801840194

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	747	167
Amlodipine Besylate	Amlodipine Besylate	455	104
Lisinopril	Lisinopril	327	73
Levothyroxine Sodium	Levothyroxine Sodium	321	69
Trazodone Hcl	Trazodone Hcl	283	51
Gabapentin	Gabapentin	261	47
Omeprazole	Omeprazole	246	54
Pantoprazole Sodium	Pantoprazole Sodium	232	48
Sertraline Hcl	Sertraline Hcl	223	42
Metformin Hcl	Metformin Hcl	219	46
Metoprolol Succinate	Metoprolol Succinate	204	40
Losartan Potassium	Losartan Potassium	197	44
Tamsulosin Hcl	Tamsulosin Hcl	194	39
Furosemide	Furosemide	191	38
Duloxetine Hcl	Duloxetine Hcl	177	28
Eliquis	Apixaban	168	34
Hydrochlorothiazide	Hydrochlorothiazide	152	33
Montelukast Sodium	Montelukast Sodium	151	27
Simvastatin	Simvastatin	146	31
Quetiapine Fumarate	Quetiapine Fumarate	145	14
Escitalopram Oxalate	Escitalopram Oxalate	127	33
Metoprolol Tartrate	Metoprolol Tartrate	115	23
Mirtazapine	Mirtazapine	114	24
Potassium Chloride	Potassium Chloride	113	16
Carvedilol	Carvedilol	112	27
Buspirone Hcl	Buspirone Hcl	104	13
Clopidogrel	Clopidogrel Bisulfate	99	18
Meloxicam	Meloxicam	97	24
Metformin Hcl Er	Metformin Hcl	96	24
Rosuvastatin Calcium	Rosuvastatin Calcium	88	24
Donepezil Hcl	Donepezil Hcl	82	16
Memantine Hcl	Memantine Hcl	82	12
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	80	14
Famotidine	Famotidine	76	15
Venlafaxine Hcl Er	Venlafaxine Hcl	75	14
Glimepiride	Glimepiride	74	18
Finasteride	Finasteride	71	16
Albuterol Sulfate Hfa	Albuterol Sulfate	69	31
Allopurinol	Allopurinol	69	18
Alprazolam	Alprazolam	66	21
Myrbetriq	Mirabegron	64	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	62	suppressed
Oxycodone Hcl	Oxycodone Hcl	62	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	61	14
Levetiracetam	Levetiracetam	61	suppressed
Ozempic	Semaglutide	61	16
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	60	17
Tramadol Hcl	Tramadol Hcl	59	15
Ropinirole Hcl	Ropinirole Hcl	56	suppressed
Fluticasone Propionate	Fluticasone Propionate	54	15
Pravastatin Sodium	Pravastatin Sodium	53	14
Alendronate Sodium	Alendronate Sodium	52	18
Bupropion Xl	Bupropion Hcl	52	12
Topiramate	Topiramate	50	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	48	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	48	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	48	13
Synthroid	Levothyroxine Sodium	46	13
Prednisone	Prednisone	45	30
Lorazepam	Lorazepam	44	suppressed
Valsartan	Valsartan	44	13
Methadone Hcl	Methadone Hcl	43	suppressed
Cephalexin	Cephalexin	42	11
Divalproex Sodium	Divalproex Sodium	42	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	42	suppressed
Digoxin	Digoxin	41	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	41	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	40	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	39	suppressed
Celecoxib	Celecoxib	39	suppressed
Citalopram Hbr	Citalopram Hydrobromide	39	suppressed
Ondansetron Hcl	Ondansetron Hcl	39	14
Atenolol	Atenolol	38	11
Diazepam	Diazepam	37	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	36	23
Sotalol	Sotalol Hcl	36	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	36	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	34	suppressed
Midodrine Hcl	Midodrine Hcl	34	suppressed
Baclofen	Baclofen	33	suppressed
Jardiance	Empagliflozin	33	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	33	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	32	13
Ezetimibe	Ezetimibe	32	suppressed
Glipizide	Glipizide	32	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	32	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	31	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	31	suppressed
Aripiprazole	Aripiprazole	28	suppressed
Etodolac	Etodolac	28	suppressed
Clonazepam	Clonazepam	27	suppressed
Clonidine Hcl	Clonidine Hcl	27	suppressed
Januvia	Sitagliptin Phosphate	27	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	26	26
Xarelto	Rivaroxaban	26	suppressed
Amoxicillin	Amoxicillin	25	20
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	25	suppressed
Morphine Sulfate Er	Morphine Sulfate	25	suppressed
Nifedipine Er	Nifedipine	25	suppressed
Spironolactone	Spironolactone	25	suppressed
Torsemide	Torsemide	25	suppressed
Diclofenac Sodium	Diclofenac Sodium	24	suppressed
Farxiga	Dapagliflozin Propanediol	24	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	24	suppressed
Tramadol Hcl-Acetaminophen	Tramadol Hcl/Acetaminophen	24	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	24	suppressed
Latanoprost	Latanoprost	23	suppressed
Trulicity	Dulaglutide	22	suppressed
Loperamide	Loperamide Hcl	21	suppressed
Propranolol Hcl Er	Propranolol Hcl	21	suppressed
Tradjenta	Linagliptin	21	suppressed
Valacyclovir	Valacyclovir Hcl	21	suppressed
Hydralazine Hcl	Hydralazine Hcl	20	suppressed
Nitroglycerin	Nitroglycerin	20	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	19	suppressed
Diltiazem Hcl	Diltiazem Hcl	19	suppressed
Ibuprofen	Ibuprofen	19	suppressed
Pregabalin	Pregabalin	19	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	19	suppressed
Gemfibrozil	Gemfibrozil	17	suppressed
Meclizine Hcl	Meclizine Hcl	17	suppressed
Sildenafil Citrate	Sildenafil Citrate	17	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	17	12
Haloperidol	Haloperidol	16	suppressed
Humulin 70/30 Kwikpen	Insulin Nph Hum/Reg Insulin Hm	16	suppressed
Warfarin Sodium	Warfarin Sodium	16	suppressed
Acyclovir	Acyclovir	15	suppressed
Olanzapine	Olanzapine	15	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	15	suppressed
Primidone	Primidone	15	suppressed
Azithromycin	Azithromycin	14	12
Doxepin Hcl	Doxepin Hcl	14	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	14	suppressed
Pentoxifylline	Pentoxifylline	14	suppressed
Temazepam	Temazepam	14	suppressed
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	13	suppressed
Benazepril Hcl	Benazepril Hcl	13	suppressed
Benztropine Mesylate	Benztropine Mesylate	13	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	13	suppressed
Calcitriol	Calcitriol	13	suppressed
Ketoconazole	Ketoconazole	13	suppressed
Paroxetine Hcl	Paroxetine Hcl	13	suppressed
Vilazodone Hcl	Vilazodone Hcl	13	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	12	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	12	suppressed
Bethanechol Chloride	Bethanechol Chloride	12	suppressed
Dilt-Xr	Diltiazem Hcl	12	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	12	suppressed
Kapspargo Sprinkle	Metoprolol Succinate	12	suppressed
Lamotrigine Er	Lamotrigine	12	suppressed
Lansoprazole	Lansoprazole	12	suppressed
Oxycontin	Oxycodone Hcl	12	suppressed
Propranolol Hcl	Propranolol Hcl	12	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	12	suppressed
Colestipol Hcl	Colestipol Hcl	11	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	11	suppressed
Hydrocortisone	Hydrocortisone	11	suppressed
Linzess	Linaclotide	11	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	11	suppressed
Novolog Flexpen	Insulin Aspart	11	suppressed
Raloxifene Hcl	Raloxifene Hcl	11	suppressed
Risperidone	Risperidone	11	suppressed
Rybelsus	Semaglutide	11	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	11	suppressed
Tiotropium Bromide	Tiotropium Bromide	11	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	11	suppressed
Xifaxan	Rifaximin	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