Healthcare provider profile · identity verified

Walter R Boisvert, MD

Family Practice · PRAIRIE DU CHIEN, WI · NPI 1003810821

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	354	92
Amlodipine Besylate	Amlodipine Besylate	266	66
Metoprolol Succinate	Metoprolol Succinate	247	62
Levothyroxine Sodium	Levothyroxine Sodium	239	46
Lisinopril	Lisinopril	213	54
Gabapentin	Gabapentin	204	53
Omeprazole	Omeprazole	176	49
Eliquis	Apixaban	155	29
Potassium Chloride	Potassium Chloride	152	27
Hydrochlorothiazide	Hydrochlorothiazide	140	40
Furosemide	Furosemide	138	47
Metformin Hcl	Metformin Hcl	130	31
Mirtazapine	Mirtazapine	128	24
Duloxetine Hcl	Duloxetine Hcl	124	40
Metoprolol Tartrate	Metoprolol Tartrate	123	34
Pantoprazole Sodium	Pantoprazole Sodium	123	30
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	120	38
Jardiance	Empagliflozin	110	22
Pravastatin Sodium	Pravastatin Sodium	109	25
Rosuvastatin Calcium	Rosuvastatin Calcium	103	29
Tamsulosin Hcl	Tamsulosin Hcl	100	32
Warfarin Sodium	Warfarin Sodium	83	22
Fluticasone Propionate	Fluticasone Propionate	82	29
Oxycodone Hcl	Oxycodone Hcl	76	14
Metformin Hcl Er	Metformin Hcl	75	17
Carvedilol	Carvedilol	71	17
Isosorbide Mononitrate Er	Isosorbide Mononitrate	70	14
Doxazosin Mesylate	Doxazosin Mesylate	59	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	59	16
Levetiracetam	Levetiracetam	57	suppressed
Tramadol Hcl	Tramadol Hcl	57	25
Trazodone Hcl	Trazodone Hcl	54	15
Glimepiride	Glimepiride	53	12
Allopurinol	Allopurinol	52	15
Lorazepam	Lorazepam	50	13
Xarelto	Rivaroxaban	50	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	46	13
Losartan Potassium	Losartan Potassium	45	15
Quetiapine Fumarate	Quetiapine Fumarate	45	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	44	22
Donepezil Hcl	Donepezil Hcl	44	suppressed
Alprazolam	Alprazolam	43	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	43	12
Simvastatin	Simvastatin	42	suppressed
Valsartan	Valsartan	42	14
Buspirone Hcl	Buspirone Hcl	41	11
Citalopram Hbr	Citalopram Hydrobromide	41	11
Prednisone	Prednisone	41	28
Tizanidine Hcl	Tizanidine Hcl	41	21
Trulicity	Dulaglutide	41	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	40	11
Alendronate Sodium	Alendronate Sodium	37	11
Clonazepam	Clonazepam	37	suppressed
Famotidine	Famotidine	36	13
Spironolactone	Spironolactone	35	11
Triamcinolone Acetonide	Triamcinolone Acetonide	34	18
Nortriptyline Hcl	Nortriptyline Hcl	33	suppressed
Nitroglycerin	Nitroglycerin	31	24
Hydralazine Hcl	Hydralazine Hcl	30	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	29	suppressed
Clopidogrel	Clopidogrel Bisulfate	29	15
Methocarbamol	Methocarbamol	29	suppressed
Myrbetriq	Mirabegron	29	suppressed
Cefuroxime	Cefuroxime Axetil	27	24
Diclofenac Sodium	Diclofenac Sodium	27	19
Fluoxetine Hcl	Fluoxetine Hcl	27	suppressed
Torsemide	Torsemide	27	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	26	suppressed
Oxycontin	Oxycodone Hcl	26	suppressed
Sertraline Hcl	Sertraline Hcl	26	suppressed
Montelukast Sodium	Montelukast Sodium	25	suppressed
Ventolin Hfa	Albuterol Sulfate	25	suppressed
Irbesartan	Irbesartan	24	suppressed
Ondansetron Odt	Ondansetron	24	suppressed
Bumetanide	Bumetanide	23	suppressed
Ezetimibe	Ezetimibe	23	suppressed
Farxiga	Dapagliflozin Propanediol	23	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	23	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	23	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	23	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	22	17
Azithromycin	Azithromycin	22	18
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	22	11
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	22	suppressed
Budesonide	Budesonide	21	suppressed
Lovastatin	Lovastatin	21	suppressed
Pregabalin	Pregabalin	20	suppressed
Breo Ellipta	Fluticasone/Vilanterol	19	suppressed
Cholestyramine	Cholestyramine (With Sugar)	19	suppressed
Ipratropium Bromide	Ipratropium Bromide	19	suppressed
Finasteride	Finasteride	18	suppressed
Ozempic	Semaglutide	18	suppressed
Atenolol	Atenolol	17	suppressed
Baclofen	Baclofen	17	suppressed
Chlorthalidone	Chlorthalidone	17	suppressed
Fentanyl	Fentanyl	17	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	16	suppressed
Januvia	Sitagliptin Phosphate	16	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	16	suppressed
Benazepril Hcl	Benazepril Hcl	15	suppressed
Amiodarone Hcl	Amiodarone Hcl	14	suppressed
Amoxicillin	Amoxicillin	14	suppressed
Clobetasol Propionate	Clobetasol Propionate	14	suppressed
Enalapril Maleate	Enalapril Maleate	14	suppressed
Meclizine Hcl	Meclizine Hcl	14	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	14	suppressed
Novolin 70-30	Insulin Nph Hum/Reg Insulin Hm	14	suppressed
Calcium Acetate	Calcium Acetate	13	suppressed
Fenofibrate	Fenofibrate,micronized	13	suppressed
Pindolol	Pindolol	13	suppressed
Prazosin Hcl	Prazosin Hcl	13	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	13	suppressed
Vascepa	Icosapent Ethyl	13	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	13	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	12	suppressed
Cilostazol	Cilostazol	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	12	11
Doxycycline Monohydrate	Doxycycline Monohydrate	12	suppressed
Gemfibrozil	Gemfibrozil	12	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	12	suppressed
Memantine Hcl	Memantine Hcl	12	suppressed
Minocycline Hcl	Minocycline Hcl	12	suppressed
Niacin Er	Niacin	12	suppressed
Nystatin	Nystatin	12	suppressed
Paroxetine Hcl	Paroxetine Hcl	12	suppressed
Prednisolone Acetate	Prednisolone Acetate	12	suppressed
Ramipril	Ramipril	12	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	11	11
Calcitonin-Salmon	Calcitonin,salmon,synthetic	11	suppressed
Cephalexin	Cephalexin	11	suppressed
Levofloxacin	Levofloxacin	11	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	11	suppressed
Rizatriptan	Rizatriptan Benzoate	11	suppressed
Varenicline Tartrate	Varenicline Tartrate	11	suppressed
Venlafaxine Hcl Er	Venlafaxine 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

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