Healthcare provider profile · identity verified

Daniel A Allison, MD

Family Practice · MENOMONEE FALLS, WI · NPI 1518109735

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	748	191
Losartan Potassium	Losartan Potassium	427	126
Amlodipine Besylate	Amlodipine Besylate	421	115
Omeprazole	Omeprazole	370	91
Levothyroxine Sodium	Levothyroxine Sodium	369	90
Lisinopril	Lisinopril	341	93
Hydrochlorothiazide	Hydrochlorothiazide	257	69
Metformin Hcl	Metformin Hcl	226	59
Pantoprazole Sodium	Pantoprazole Sodium	221	66
Gabapentin	Gabapentin	216	52
Albuterol Sulfate Hfa	Albuterol Sulfate	196	65
Metoprolol Succinate	Metoprolol Succinate	188	53
Simvastatin	Simvastatin	188	50
Rosuvastatin Calcium	Rosuvastatin Calcium	186	52
Furosemide	Furosemide	158	46
Escitalopram Oxalate	Escitalopram Oxalate	149	32
Eliquis	Apixaban	129	28
Metformin Hcl Er	Metformin Hcl	121	32
Pravastatin Sodium	Pravastatin Sodium	119	32
Metoprolol Tartrate	Metoprolol Tartrate	117	30
Tamsulosin Hcl	Tamsulosin Hcl	109	28
Sertraline Hcl	Sertraline Hcl	99	26
Potassium Chloride	Potassium Chloride	97	28
Montelukast Sodium	Montelukast Sodium	96	21
Fluticasone Propionate	Fluticasone Propionate	92	34
Atenolol	Atenolol	87	21
Allopurinol	Allopurinol	86	26
Trazodone Hcl	Trazodone Hcl	86	20
Buspirone Hcl	Buspirone Hcl	83	16
Jardiance	Empagliflozin	82	18
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	73	15
Ozempic	Semaglutide	72	11
Fluoxetine Hcl	Fluoxetine Hcl	71	14
Carvedilol	Carvedilol	64	18
Alprazolam	Alprazolam	62	16
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	62	17
Zolpidem Tartrate	Zolpidem Tartrate	62	13
Methylprednisolone	Methylprednisolone	60	53
Valsartan	Valsartan	60	17
Clopidogrel	Clopidogrel Bisulfate	58	18
Oxybutynin Chloride Er	Oxybutynin Chloride	57	suppressed
Bupropion Hcl Sr	Bupropion Hcl	56	14
Tizanidine Hcl	Tizanidine Hcl	56	28
Glimepiride	Glimepiride	55	16
Paroxetine Hcl	Paroxetine Hcl	53	16
Synthroid	Levothyroxine Sodium	52	16
Duloxetine Hcl	Duloxetine Hcl	50	12
Azithromycin	Azithromycin	49	41
Alendronate Sodium	Alendronate Sodium	47	14
Finasteride	Finasteride	46	suppressed
Warfarin Sodium	Warfarin Sodium	46	12
Hydroxyzine Hcl	Hydroxyzine Hcl	44	16
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	43	13
Famotidine	Famotidine	43	suppressed
Mirtazapine	Mirtazapine	42	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	42	27
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	41	15
Lorazepam	Lorazepam	41	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	39	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	39	13
Breo Ellipta	Fluticasone/Vilanterol	38	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	37	12
Tramadol Hcl	Tramadol Hcl	37	suppressed
Irbesartan	Irbesartan	36	suppressed
Naproxen	Naproxen	36	13
Clonidine Hcl	Clonidine Hcl	35	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	34	11
Pioglitazone Hcl	Pioglitazone Hcl	34	suppressed
Celecoxib	Celecoxib	33	suppressed
Ondansetron Odt	Ondansetron	33	13
Clonazepam	Clonazepam	32	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	32	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	30	suppressed
Baclofen	Baclofen	29	suppressed
Bupropion Xl	Bupropion Hcl	29	suppressed
Carbamazepine	Carbamazepine	29	suppressed
Fenofibrate	Fenofibrate	28	suppressed
Pregabalin	Pregabalin	28	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	28	suppressed
Valacyclovir	Valacyclovir Hcl	28	13
Ezetimibe	Ezetimibe	27	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	19
Donepezil Hcl	Donepezil Hcl	26	suppressed
Mounjaro	Tirzepatide	26	suppressed
Propranolol Hcl	Propranolol Hcl	25	suppressed
Benazepril Hcl	Benazepril Hcl	24	suppressed
Januvia	Sitagliptin Phosphate	24	suppressed
Lovastatin	Lovastatin	24	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	24	suppressed
Enalapril Maleate	Enalapril Maleate	22	suppressed
Levetiracetam	Levetiracetam	22	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	22	suppressed
Spironolactone	Spironolactone	22	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	21	suppressed
Meloxicam	Meloxicam	21	suppressed
Prednisone	Prednisone	21	11
Symbicort	Budesonide/Formoterol Fumarate	21	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	19	12
Divalproex Sodium	Divalproex Sodium	19	suppressed
Glipizide Er	Glipizide	19	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	18	suppressed
Memantine Hcl	Memantine Hcl	18	suppressed
Diclofenac Sodium	Diclofenac Sodium	17	suppressed
Methotrexate	Methotrexate Sodium	17	suppressed
Terazosin Hcl	Terazosin Hcl	17	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	17	suppressed
Glipizide	Glipizide	16	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	16	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	16	suppressed
Digoxin	Digoxin	15	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	15	suppressed
Propranolol Hcl Er	Propranolol Hcl	15	suppressed
Amiodarone Hcl	Amiodarone Hcl	14	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	14	suppressed
Azelastine Hcl	Azelastine Hcl	14	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	14	12
Estradiol	Estradiol	14	suppressed
Phenobarbital	Phenobarbital	14	suppressed
Prazosin Hcl	Prazosin Hcl	14	suppressed
Amoxicillin	Amoxicillin	13	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	13	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	13	suppressed
Nifedipine Er	Nifedipine	13	suppressed
Repatha Sureclick	Evolocumab	13	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	13	suppressed
Acyclovir	Acyclovir	12	suppressed
Benztropine Mesylate	Benztropine Mesylate	12	suppressed
Diazepam	Diazepam	12	suppressed
Gemfibrozil	Gemfibrozil	12	suppressed
Hydralazine Hcl	Hydralazine Hcl	12	suppressed
K-Phos Original	Potassium Phosphate,monobasic	12	suppressed
Ramipril	Ramipril	12	suppressed
Serevent Diskus	Salmeterol Xinafoate	12	suppressed
Temazepam	Temazepam	12	suppressed
Trulicity	Dulaglutide	12	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	12	suppressed
Arnuity Ellipta	Fluticasone Furoate	11	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	11	suppressed
Citalopram Hbr	Citalopram Hydrobromide	11	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	11	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	11	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	11	suppressed
Myrbetriq	Mirabegron	11	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Topiramate	Topiramate	11	suppressed
Verapamil Er	Verapamil 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