Healthcare provider profile · identity verified

Timothy William Allen, MD

Family Practice · CUDAHY, WI · NPI 1720007271

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

BrandGenericClaimsBeneficiaries
Atorvastatin CalciumAtorvastatin Calcium31681
LisinoprilLisinopril23462
Albuterol Sulfate HfaAlbuterol Sulfate18145
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl17622
Tamsulosin HclTamsulosin Hcl15342
OmeprazoleOmeprazole14639
Amlodipine BesylateAmlodipine Besylate14542
Levothyroxine SodiumLevothyroxine Sodium14538
Metformin HclMetformin Hcl14535
Quetiapine FumarateQuetiapine Fumarate14022
Metoprolol SuccinateMetoprolol Succinate12530
Losartan PotassiumLosartan Potassium11328
Pantoprazole SodiumPantoprazole Sodium10422
GabapentinGabapentin96suppressed
LorazepamLorazepam9417
PrednisonePrednisone8529
AlprazolamAlprazolam8111
Fluoxetine HclFluoxetine Hcl7714
Pioglitazone HclPioglitazone Hcl7217
FurosemideFurosemide6621
Tizanidine HclTizanidine Hcl6515
EliquisApixaban6214
Cyclobenzaprine HclCyclobenzaprine Hcl5914
ClopidogrelClopidogrel Bisulfate5814
Tramadol HclTramadol Hcl5813
PregabalinPregabalin5714
Trelegy ElliptaFluticasone/Umeclidin/Vilanter57suppressed
SimvastatinSimvastatin5415
CefdinirCefdinir5335
Trazodone HclTrazodone Hcl5316
Breo ElliptaFluticasone/Vilanterol52suppressed
DiazepamDiazepam51suppressed
FinasterideFinasteride4813
XareltoRivaroxaban4811
MethylprednisoloneMethylprednisolone4732
Potassium ChloridePotassium Chloride4715
Buspirone HclBuspirone Hcl4612
CarvedilolCarvedilol43suppressed
Sertraline HclSertraline Hcl42suppressed
LamotrigineLamotrigine4113
NystatinNystatin41suppressed
Bupropion XlBupropion Hcl39suppressed
Ondansetron OdtOndansetron3917
FluconazoleFluconazole3819
Zolpidem TartrateZolpidem Tartrate38suppressed
BaclofenBaclofen3716
Fluticasone PropionateFluticasone Propionate3713
Lantus SolostarInsulin Glargine,hum.Rec.Anlog37suppressed
Venlafaxine Hcl ErVenlafaxine Hcl37suppressed
ClonazepamClonazepam35suppressed
GlimepirideGlimepiride34suppressed
Metformin Hcl ErMetformin Hcl3412
Clonidine HclClonidine Hcl33suppressed
FamotidineFamotidine3311
Montelukast SodiumMontelukast Sodium3314
OxcarbazepineOxcarbazepine33suppressed
RisperidoneRisperidone33suppressed
Ropinirole HclRopinirole Hcl33suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3322
Amitriptyline HclAmitriptyline Hcl3211
SpironolactoneSpironolactone3212
Pravastatin SodiumPravastatin Sodium3114
AllopurinolAllopurinol3015
ChlorthalidoneChlorthalidone29suppressed
AzithromycinAzithromycin2825
LinzessLinaclotide28suppressed
Wixela InhubFluticasone Propion/Salmeterol2812
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine27suppressed
Escitalopram OxalateEscitalopram Oxalate27suppressed
JardianceEmpagliflozin27suppressed
Advair HfaFluticasone Propion/Salmeterol26suppressed
Clobetasol PropionateClobetasol Propionate2614
Paroxetine HclParoxetine Hcl26suppressed
GlipizideGlipizide25suppressed
OzempicSemaglutide25suppressed
AripiprazoleAripiprazole23suppressed
Citalopram HbrCitalopram Hydrobromide23suppressed
Ipratropium BromideIpratropium Bromide23suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2319
ValacyclovirValacyclovir Hcl23suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl22suppressed
Duloxetine HclDuloxetine Hcl22suppressed
Ziprasidone HclZiprasidone Hcl21suppressed
Alendronate SodiumAlendronate Sodium20suppressed
FarxigaDapagliflozin Propanediol20suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate20suppressed
IbuprofenIbuprofen20suppressed
LoxapineLoxapine Succinate20suppressed
NaproxenNaproxen20suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl20suppressed
Sildenafil CitrateSildenafil Citrate19suppressed
Fludrocortisone AcetateFludrocortisone Acetate18suppressed
Hydralazine HclHydralazine Hcl18suppressed
Sumatriptan SuccinateSumatriptan Succinate18suppressed
TopiramateTopiramate18suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol17suppressed
Ibandronate SodiumIbandronate Sodium17suppressed
MirtazapineMirtazapine17suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic17suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen17suppressed
CelecoxibCelecoxib16suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium16suppressed
HydrochlorothiazideHydrochlorothiazide16suppressed
Meclizine HclMeclizine Hcl16suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine15suppressed
Diclofenac SodiumDiclofenac Sodium15suppressed
MeloxicamMeloxicam15suppressed
NitroglycerinNitroglycerin15suppressed
Paliperidone ErPaliperidone15suppressed
DigoxinDigoxin14suppressed
Divalproex SodiumDivalproex Sodium14suppressed
GemfibrozilGemfibrozil14suppressed
MethocarbamolMethocarbamol14suppressed
RoflumilastRoflumilast14suppressed
BrilintaTicagrelor13suppressed
Ciprofloxacin HclCiprofloxacin Hcl13suppressed
Divalproex Sodium ErDivalproex Sodium13suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro13suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate13suppressed
KetoconazoleKetoconazole13suppressed
Metoprolol TartrateMetoprolol Tartrate13suppressed
Oxycodone HclOxycodone Hcl13suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic13suppressed
AmoxicillinAmoxicillin12suppressed
Enalapril MaleateEnalapril Maleate12suppressed
JanumetSitagliptin Phos/Metformin Hcl12suppressed
LactuloseLactulose12suppressed
Prenatal Vitamin Plus Low IronPnv,calcium 72/Iron/Folic Acid12suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)11suppressed
Diclofenac PotassiumDiclofenac Potassium11suppressed
Hydroxyzine HclHydroxyzine Hcl11suppressed
Lidocaine Hcl ViscousLidocaine Hcl11suppressed
Methylphenidate HclMethylphenidate Hcl11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
Propranolol Hcl ErPropranolol Hcl11suppressed
Testosterone CypionateTestosterone Cypionate11suppressed
Warfarin SodiumWarfarin Sodium11suppressed

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.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
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