Healthcare provider profile · identity verified

Robert Bonwetsch, MD

Neurology · DANBURY, CT · NPI 1801856687

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
Lamotrigine	Lamotrigine	346	53
Levetiracetam	Levetiracetam	306	70
Levothyroxine Sodium	Levothyroxine Sodium	288	27
Trazodone Hcl	Trazodone Hcl	258	33
Topiramate	Topiramate	232	39
Divalproex Sodium Er	Divalproex Sodium	223	20
Tamsulosin Hcl	Tamsulosin Hcl	212	21
Divalproex Sodium	Divalproex Sodium	211	27
Gabapentin	Gabapentin	209	68
Pravastatin Sodium	Pravastatin Sodium	192	17
Sertraline Hcl	Sertraline Hcl	191	35
Omeprazole	Omeprazole	184	19
Carbidopa-Levodopa	Carbidopa/Levodopa	180	41
Atorvastatin Calcium	Atorvastatin Calcium	175	17
Lacosamide	Lacosamide	169	28
Donepezil Hcl	Donepezil Hcl	164	48
Chlorhexidine Gluconate	Chlorhexidine Gluconate	154	17
Clonazepam	Clonazepam	147	22
Ketoconazole	Ketoconazole	134	34
Lorazepam	Lorazepam	130	27
Olanzapine	Olanzapine	125	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	117	27
Carbamazepine Er	Carbamazepine	106	11
Amlodipine Besylate	Amlodipine Besylate	96	suppressed
Pantoprazole Sodium	Pantoprazole Sodium	93	suppressed
Buspirone Hcl	Buspirone Hcl	87	suppressed
Duloxetine Hcl	Duloxetine Hcl	83	19
Phenobarbital	Phenobarbital	80	suppressed
Myrbetriq	Mirabegron	76	15
Baclofen	Baclofen	75	15
Fluoxetine Hcl	Fluoxetine Hcl	75	suppressed
Citalopram Hbr	Citalopram Hydrobromide	72	suppressed
Aripiprazole	Aripiprazole	67	suppressed
Clobazam	Clobazam	65	suppressed
Furosemide	Furosemide	61	suppressed
Montelukast Sodium	Montelukast Sodium	60	suppressed
Alendronate Sodium	Alendronate Sodium	59	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	59	11
Quetiapine Fumarate	Quetiapine Fumarate	59	12
Clindamycin Phosphate	Clindamycin Phosphate	58	12
Lisinopril	Lisinopril	57	suppressed
Carbamazepine	Carbamazepine	56	suppressed
Fluticasone Propionate	Fluticasone Propionate	56	12
Simvastatin	Simvastatin	56	suppressed
Lamotrigine Er	Lamotrigine	55	suppressed
Primidone	Primidone	55	12
Rizatriptan	Rizatriptan Benzoate	54	suppressed
Risperidone	Risperidone	50	suppressed
Keppra	Levetiracetam	49	suppressed
Levetiracetam Er	Levetiracetam	49	12
Famotidine	Famotidine	48	suppressed
Haloperidol	Haloperidol	47	suppressed
Clopidogrel	Clopidogrel Bisulfate	44	11
Clomipramine Hcl	Clomipramine Hcl	43	suppressed
Metoprolol Succinate	Metoprolol Succinate	43	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	43	11
Diazepam	Diazepam	42	14
Metoprolol Tartrate	Metoprolol Tartrate	39	suppressed
Mirtazapine	Mirtazapine	39	suppressed
Tizanidine Hcl	Tizanidine Hcl	39	13
Valproic Acid	Valproic Acid (As Sodium Salt)	39	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	38	suppressed
Avonex Pen (4 Pack)	Interferon Beta-1a	36	suppressed
Dilantin	Phenytoin Sodium Extended	36	suppressed
Lamictal	Lamotrigine	36	suppressed
Alprazolam	Alprazolam	35	suppressed
Losartan Potassium	Losartan Potassium	35	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	35	suppressed
Aimovig Autoinjector	Erenumab-Aooe	31	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	31	15
Lithium Carbonate	Lithium Carbonate	30	suppressed
Memantine Hcl	Memantine Hcl	30	suppressed
Pregabalin	Pregabalin	30	12
Ropinirole Hcl	Ropinirole Hcl	30	suppressed
Rivastigmine	Rivastigmine	29	suppressed
Briviact	Brivaracetam	28	suppressed
Rasagiline Mesylate	Rasagiline Mesylate	28	suppressed
Ammonium Lactate	Ammonium Lactate	27	suppressed
Ciclopirox	Ciclopirox Olamine	27	16
Onfi	Clobazam	27	suppressed
Budesonide	Budesonide	26	suppressed
Bupropion Xl	Bupropion Hcl	26	suppressed
Clozapine	Clozapine	26	suppressed
Allopurinol	Allopurinol	25	suppressed
Enalapril Maleate	Enalapril Maleate	25	suppressed
Oxcarbazepine	Oxcarbazepine	25	suppressed
Benztropine Mesylate	Benztropine Mesylate	24	suppressed
Eliquis	Apixaban	24	suppressed
Estradiol	Estradiol	24	suppressed
Ezetimibe	Ezetimibe	24	suppressed
Fenofibrate	Fenofibrate	24	suppressed
Lamictal Xr	Lamotrigine	24	suppressed
Lansoprazole	Lansoprazole	24	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	24	suppressed
Methenamine Hippurate	Methenamine Hippurate	24	suppressed
Mysoline	Primidone	24	suppressed
Paroxetine Hcl	Paroxetine Hcl	24	suppressed
Potassium Citrate Er	Potassium Citrate	24	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	24	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	24	suppressed
Linzess	Linaclotide	23	suppressed
Memantine Hcl Er	Memantine Hcl	22	suppressed
Propranolol Hcl	Propranolol Hcl	21	suppressed
Hydrocortisone	Hydrocortisone	20	suppressed
Metronidazole	Metronidazole	20	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	20	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	19	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	19	suppressed
Emgality Pen	Galcanezumab-Gnlm	18	suppressed
Qulipta	Atogepant	17	suppressed
Rivastigmine	Rivastigmine Tartrate	17	suppressed
Rufinamide	Rufinamide	17	suppressed
Zonisamide	Zonisamide	17	suppressed
Donepezil Hcl Odt	Donepezil Hcl	16	suppressed
Methocarbamol	Methocarbamol	16	suppressed
Prevident	Fluoride (Sodium)	16	suppressed
Vimpat	Lacosamide	16	suppressed
Fycompa	Perampanel	15	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	15	suppressed
Topamax	Topiramate	15	suppressed
Vascepa	Icosapent Ethyl	15	suppressed
Dalfampridine Er	Dalfampridine	14	suppressed
Ipratropium Bromide	Ipratropium Bromide	14	suppressed
Lamotrigine Odt	Lamotrigine	14	suppressed
Tegretol Xr	Carbamazepine	14	suppressed
Epidiolex	Cannabidiol (Cbd)	13	suppressed
Erythromycin	Erythromycin Base	13	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	13	suppressed
Lamictal Odt	Lamotrigine	13	suppressed
Modafinil	Modafinil	13	suppressed
Spironolactone	Spironolactone	13	suppressed
Sumatriptan	Sumatriptan	13	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	12	suppressed
Amiloride Hcl	Amiloride Hcl	12	suppressed
Bupropion Hcl	Bupropion Hcl	12	suppressed
Bupropion Hcl Sr	Bupropion Hcl	12	suppressed
Cabergoline	Cabergoline	12	suppressed
Carbatrol	Carbamazepine	12	suppressed
Chlorthalidone	Chlorthalidone	12	suppressed
Desmopressin Acetate	Desmopressin Acetate	12	suppressed
Digoxin	Digoxin	12	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	12	suppressed
Eprontia	Topiramate	12	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	12	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	12	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	12	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	12	suppressed
Imipramine Hcl	Imipramine Hcl	12	suppressed
Latanoprost	Latanoprost	12	suppressed
Lovastatin	Lovastatin	12	suppressed
Midodrine Hcl	Midodrine Hcl	12	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	12	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	12	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	12	suppressed
Potassium Chloride	Potassium Chloride	12	suppressed
Trihexyphenidyl Hcl	Trihexyphenidyl Hcl	12	suppressed
Valsartan	Valsartan	12	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	12	suppressed
Xarelto	Rivaroxaban	12	suppressed
Azelastine Hcl	Azelastine Hcl	11	suppressed
Clonidine Hcl	Clonidine Hcl	11	suppressed
Depakote Sprinkle	Divalproex Sodium	11	suppressed
Dorzolamide Hcl	Dorzolamide Hcl	11	suppressed
Entacapone	Entacapone	11	suppressed
Finasteride	Finasteride	11	suppressed
Glatiramer Acetate	Glatiramer Acetate	11	suppressed
Tetrabenazine	Tetrabenazine	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