Healthcare provider profile · identity verified

Robert J Stoy, MD

Family Practice · HUDSON, WI · NPI 1215907514

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
Amlodipine Besylate	Amlodipine Besylate	516	145
Atorvastatin Calcium	Atorvastatin Calcium	432	129
Metoprolol Succinate	Metoprolol Succinate	384	111
Losartan Potassium	Losartan Potassium	365	107
Lisinopril	Lisinopril	346	95
Levothyroxine Sodium	Levothyroxine Sodium	315	85
Simvastatin	Simvastatin	263	74
Omeprazole	Omeprazole	259	74
Rosuvastatin Calcium	Rosuvastatin Calcium	215	71
Hydrochlorothiazide	Hydrochlorothiazide	193	55
Gabapentin	Gabapentin	186	51
Tamsulosin Hcl	Tamsulosin Hcl	180	57
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	175	53
Pantoprazole Sodium	Pantoprazole Sodium	164	50
Warfarin Sodium	Warfarin Sodium	161	36
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	152	40
Metformin Hcl Er	Metformin Hcl	151	42
Metformin Hcl	Metformin Hcl	139	39
Allopurinol	Allopurinol	133	38
Trazodone Hcl	Trazodone Hcl	129	35
Prednisone	Prednisone	124	79
Metoprolol Tartrate	Metoprolol Tartrate	108	30
Eliquis	Apixaban	104	26
Pravastatin Sodium	Pravastatin Sodium	103	27
Albuterol Sulfate Hfa	Albuterol Sulfate	99	38
Furosemide	Furosemide	95	36
Atenolol	Atenolol	88	24
Jardiance	Empagliflozin	80	19
Zolpidem Tartrate	Zolpidem Tartrate	80	18
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	78	24
Doxycycline Monohydrate	Doxycycline Monohydrate	73	60
Tramadol Hcl	Tramadol Hcl	73	26
Lorazepam	Lorazepam	66	17
Sertraline Hcl	Sertraline Hcl	65	23
Duloxetine Hcl	Duloxetine Hcl	63	14
Clopidogrel	Clopidogrel Bisulfate	62	17
Ezetimibe	Ezetimibe	62	19
Potassium Chloride	Potassium Chloride	61	22
Famotidine	Famotidine	58	17
Tizanidine Hcl	Tizanidine Hcl	58	30
Fluoxetine Hcl	Fluoxetine Hcl	56	17
Cephalexin	Cephalexin	55	35
Meloxicam	Meloxicam	53	21
Fluticasone Propionate	Fluticasone Propionate	52	29
Glimepiride	Glimepiride	52	15
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	52	14
Azithromycin	Azithromycin	50	40
Escitalopram Oxalate	Escitalopram Oxalate	50	12
Spironolactone	Spironolactone	50	17
Montelukast Sodium	Montelukast Sodium	48	14
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	45	17
Breo Ellipta	Fluticasone/Vilanterol	43	suppressed
Xarelto	Rivaroxaban	43	16
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	42	suppressed
Pregabalin	Pregabalin	40	17
Triamcinolone Acetonide	Triamcinolone Acetonide	40	31
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	39	suppressed
Ventolin Hfa	Albuterol Sulfate	37	16
Carvedilol	Carvedilol	35	12
Bupropion Hcl Sr	Bupropion Hcl	34	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	34	11
Lovastatin	Lovastatin	33	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	32	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	32	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	31	suppressed
Donepezil Hcl	Donepezil Hcl	30	suppressed
Citalopram Hbr	Citalopram Hydrobromide	29	suppressed
Finasteride	Finasteride	28	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	28	22
Tresiba Flextouch U-100	Insulin Degludec	28	suppressed
Celecoxib	Celecoxib	27	suppressed
Gemfibrozil	Gemfibrozil	27	suppressed
Oxycodone Hcl	Oxycodone Hcl	27	12
Ozempic	Semaglutide	26	suppressed
Methotrexate	Methotrexate Sodium	25	suppressed
Paroxetine Hcl	Paroxetine Hcl	24	suppressed
Alendronate Sodium	Alendronate Sodium	23	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	23	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	23	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	21	suppressed
Irbesartan	Irbesartan	21	suppressed
Methylprednisolone	Methylprednisolone	21	18
Propranolol Hcl Er	Propranolol Hcl	21	suppressed
Solifenacin Succinate	Solifenacin Succinate	21	suppressed
Amoxicillin	Amoxicillin	20	19
Farxiga	Dapagliflozin Propanediol	20	suppressed
Spiriva Handihaler	Tiotropium Bromide	20	suppressed
Clonidine Hcl	Clonidine Hcl	19	suppressed
Ipratropium Bromide	Ipratropium Bromide	19	suppressed
Tiotropium Bromide	Tiotropium Bromide	19	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	18	14
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	18	suppressed
Mounjaro	Tirzepatide	18	suppressed
Naproxen	Naproxen	18	suppressed
Synthroid	Levothyroxine Sodium	18	suppressed
Valacyclovir	Valacyclovir Hcl	18	11
Benazepril Hcl	Benazepril Hcl	17	suppressed
Fluconazole	Fluconazole	17	12
Metronidazole	Metronidazole	17	11
Novolin N	Insulin Nph Human Isophane	17	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	17	suppressed
Risperidone	Risperidone	17	suppressed
Chlorthalidone	Chlorthalidone	16	suppressed
Estradiol	Estradiol	16	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	16	suppressed
Sotalol	Sotalol Hcl	16	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	15	13
Ciprofloxacin Hcl	Ciprofloxacin Hcl	15	14
Nitroglycerin	Nitroglycerin	15	15
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	15	suppressed
Glipizide	Glipizide	14	suppressed
Meclizine Hcl	Meclizine Hcl	14	suppressed
Novolin R	Insulin Regular, Human	14	suppressed
Nystop	Nystatin	14	suppressed
Ondansetron Hcl	Ondansetron Hcl	14	suppressed
Buspirone Hcl	Buspirone Hcl	13	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	13	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	13	suppressed
Mupirocin	Mupirocin	13	11
Trulicity	Dulaglutide	13	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	12	suppressed
Aripiprazole	Aripiprazole	12	suppressed
Incruse Ellipta	Umeclidinium Bromide	12	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	12	suppressed
Propafenone Hcl	Propafenone Hcl	12	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	12	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Breyna	Budesonide/Formoterol Fumarate	11	suppressed
Cholestyramine	Cholestyramine (With Sugar)	11	suppressed
Clindamycin Hcl	Clindamycin Hcl	11	suppressed
Diclofenac Sodium	Diclofenac Sodium	11	suppressed
Digoxin	Digoxin	11	suppressed
Novolog Flexpen	Insulin Aspart	11	suppressed
Ropinirole Hcl	Ropinirole Hcl	11	suppressed
Terbinafine Hcl	Terbinafine Hcl	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