Healthcare provider profile · identity verified

Peter A Halverson, MD

Internal Medicine · EAU CLAIRE, WI · NPI 1609039924

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	880	238
Amlodipine Besylate	Amlodipine Besylate	469	147
Levothyroxine Sodium	Levothyroxine Sodium	445	120
Lisinopril	Lisinopril	441	130
Rosuvastatin Calcium	Rosuvastatin Calcium	432	146
Metoprolol Succinate	Metoprolol Succinate	415	117
Losartan Potassium	Losartan Potassium	386	106
Omeprazole	Omeprazole	316	97
Metoprolol Tartrate	Metoprolol Tartrate	221	64
Pantoprazole Sodium	Pantoprazole Sodium	219	69
Sertraline Hcl	Sertraline Hcl	217	61
Eliquis	Apixaban	210	47
Furosemide	Furosemide	201	73
Simvastatin	Simvastatin	200	60
Tamsulosin Hcl	Tamsulosin Hcl	198	70
Allopurinol	Allopurinol	181	47
Warfarin Sodium	Warfarin Sodium	181	42
Gabapentin	Gabapentin	180	55
Metformin Hcl Er	Metformin Hcl	170	51
Hydrochlorothiazide	Hydrochlorothiazide	169	53
Potassium Chloride	Potassium Chloride	156	47
Glipizide Er	Glipizide	148	43
Metformin Hcl	Metformin Hcl	146	46
Mirtazapine	Mirtazapine	130	31
Alendronate Sodium	Alendronate Sodium	117	41
Atenolol	Atenolol	111	32
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	111	39
Tramadol Hcl	Tramadol Hcl	109	32
Clopidogrel	Clopidogrel Bisulfate	102	30
Trazodone Hcl	Trazodone Hcl	95	27
Pravastatin Sodium	Pravastatin Sodium	93	26
Duloxetine Hcl	Duloxetine Hcl	92	24
Citalopram Hbr	Citalopram Hydrobromide	91	21
Albuterol Sulfate Hfa	Albuterol Sulfate	83	38
Fluticasone Propionate	Fluticasone Propionate	83	36
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	82	43
Prednisone	Prednisone	81	48
Bupropion Xl	Bupropion Hcl	79	20
Carvedilol	Carvedilol	72	22
Synthroid	Levothyroxine Sodium	72	20
Methylprednisolone	Methylprednisolone	70	61
Fluoxetine Hcl	Fluoxetine Hcl	69	16
Jardiance	Empagliflozin	69	21
Famotidine	Famotidine	64	21
Alprazolam	Alprazolam	62	21
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	60	15
Ezetimibe	Ezetimibe	59	20
Isosorbide Mononitrate Er	Isosorbide Mononitrate	56	16
Venlafaxine Hcl Er	Venlafaxine Hcl	55	12
Ozempic	Semaglutide	53	11
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	51	23
Lovastatin	Lovastatin	50	18
Trulicity	Dulaglutide	50	12
Zolpidem Tartrate	Zolpidem Tartrate	50	15
Amitriptyline Hcl	Amitriptyline Hcl	49	14
Torsemide	Torsemide	47	12
Pregabalin	Pregabalin	46	14
Spironolactone	Spironolactone	44	17
Lorazepam	Lorazepam	43	17
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	40	11
Terazosin Hcl	Terazosin Hcl	40	suppressed
Meloxicam	Meloxicam	39	14
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	38	suppressed
Paroxetine Hcl	Paroxetine Hcl	37	11
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	36	suppressed
Nifedipine Er	Nifedipine	36	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	34	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	34	suppressed
Ventolin Hfa	Albuterol Sulfate	34	19
Glipizide	Glipizide	33	11
Montelukast Sodium	Montelukast Sodium	33	11
Chlorthalidone	Chlorthalidone	32	11
Nystatin	Nystatin	31	14
Amoxicillin	Amoxicillin	30	16
Hydralazine Hcl	Hydralazine Hcl	30	suppressed
Mounjaro	Tirzepatide	30	suppressed
Glimepiride	Glimepiride	29	11
Xarelto	Rivaroxaban	29	suppressed
Clonazepam	Clonazepam	28	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	28	19
Finasteride	Finasteride	27	suppressed
Gavilyte-G	Peg3350/Sod Sulf,bicarb,cl/Kcl	27	27
Oxybutynin Chloride Er	Oxybutynin Chloride	27	suppressed
Ropinirole Hcl	Ropinirole Hcl	27	suppressed
Buspirone Hcl	Buspirone Hcl	26	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	24	suppressed
Benazepril Hcl	Benazepril Hcl	23	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	23	suppressed
Diazepam	Diazepam	22	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	21	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	20	suppressed
Lansoprazole	Lansoprazole	20	suppressed
Loperamide	Loperamide Hcl	20	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	20	suppressed
Farxiga	Dapagliflozin Propanediol	19	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	19	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	19	suppressed
Lidocaine	Lidocaine	19	suppressed
Ramipril	Ramipril	19	suppressed
Baclofen	Baclofen	18	suppressed
Celecoxib	Celecoxib	18	suppressed
Enalapril Maleate	Enalapril Maleate	18	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	18	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	18	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	18	suppressed
Fenofibrate	Fenofibrate	17	suppressed
Incruse Ellipta	Umeclidinium Bromide	17	suppressed
Ipratropium Bromide	Ipratropium Bromide	17	suppressed
Breo Ellipta	Fluticasone/Vilanterol	16	suppressed
Divalproex Sodium	Divalproex Sodium	16	suppressed
Ketoconazole	Ketoconazole	16	suppressed
Nitroglycerin	Nitroglycerin	16	14
Ondansetron Odt	Ondansetron	16	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	16	suppressed
Colchicine	Colchicine	15	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	15	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	15	suppressed
Midodrine Hcl	Midodrine Hcl	15	suppressed
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	15	suppressed
Sotalol	Sotalol Hcl	15	suppressed
Tizanidine Hcl	Tizanidine Hcl	15	suppressed
Bumetanide	Bumetanide	14	suppressed
Donepezil Hcl	Donepezil Hcl	14	suppressed
Irbesartan	Irbesartan	14	suppressed
Levetiracetam	Levetiracetam	14	suppressed
Oxycodone Hcl	Oxycodone Hcl	14	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	14	suppressed
Topiramate	Topiramate	14	suppressed
Bupropion Hcl Sr	Bupropion Hcl	13	suppressed
Movantik	Naloxegol Oxalate	13	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	13	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	13	suppressed
Valacyclovir	Valacyclovir Hcl	13	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	13	suppressed
Azelastine Hcl	Azelastine Hcl	12	suppressed
Klor-Con M20	Potassium Chloride	12	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	11	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	11	11
Azithromycin	Azithromycin	11	suppressed
Cefdinir	Cefdinir	11	11
Cephalexin	Cephalexin	11	suppressed
Ibuprofen	Ibuprofen	11	suppressed
Pen Needle	Pen Needle, Diabetic	11	suppressed
Potassium Citrate Er	Potassium Citrate	11	suppressed
Propranolol Hcl Er	Propranolol 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