Healthcare provider profile · identity verified

Nikki Allen, MD

Family Practice · CUDAHY, WI · NPI 1043235153

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 Calcium28775
Levothyroxine SodiumLevothyroxine Sodium20254
OmeprazoleOmeprazole18050
LisinoprilLisinopril17351
Albuterol Sulfate HfaAlbuterol Sulfate16170
Losartan PotassiumLosartan Potassium15950
Metoprolol SuccinateMetoprolol Succinate14240
HydrochlorothiazideHydrochlorothiazide12535
Amlodipine BesylateAmlodipine Besylate11940
Tizanidine HclTizanidine Hcl11130
Metformin HclMetformin Hcl9327
TelmisartanTelmisartan8622
Pantoprazole SodiumPantoprazole Sodium8027
Escitalopram OxalateEscitalopram Oxalate7921
SimvastatinSimvastatin7621
Quetiapine FumarateQuetiapine Fumarate7418
Lantus SolostarInsulin Glargine,hum.Rec.Anlog7317
FurosemideFurosemide6921
Potassium ChloridePotassium Chloride6825
GabapentinGabapentin6617
Montelukast SodiumMontelukast Sodium6418
Metformin Hcl ErMetformin Hcl6119
Tramadol HclTramadol Hcl5712
Buspirone HclBuspirone Hcl5620
Metoprolol TartrateMetoprolol Tartrate5614
EliquisApixaban55suppressed
AlprazolamAlprazolam4712
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst4733
Alendronate SodiumAlendronate Sodium4417
Fluticasone-SalmeterolFluticasone Propion/Salmeterol4413
Ondansetron OdtOndansetron4415
Trazodone HclTrazodone Hcl44suppressed
AzithromycinAzithromycin4238
FamotidineFamotidine42suppressed
Glipizide ErGlipizide4114
ClonazepamClonazepam39suppressed
LamotrigineLamotrigine3711
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3628
MethylprednisoloneMethylprednisolone3628
Zolpidem TartrateZolpidem Tartrate36suppressed
Pravastatin SodiumPravastatin Sodium35suppressed
SpironolactoneSpironolactone35suppressed
Humalog Kwikpen U-100Insulin Lispro34suppressed
ChlorthalidoneChlorthalidone33suppressed
Fluoxetine HclFluoxetine Hcl31suppressed
LorazepamLorazepam31suppressed
Rosuvastatin CalciumRosuvastatin Calcium31suppressed
MeloxicamMeloxicam30suppressed
NystatinNystatin3012
Sumatriptan SuccinateSumatriptan Succinate30suppressed
Bupropion XlBupropion Hcl28suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter28suppressed
Doxycycline HyclateDoxycycline Hyclate2724
Venlafaxine Hcl ErVenlafaxine Hcl27suppressed
CarvedilolCarvedilol25suppressed
Duloxetine HclDuloxetine Hcl25suppressed
PrednisonePrednisone2511
Sertraline HclSertraline Hcl25suppressed
Diclofenac SodiumDiclofenac Sodium24suppressed
ClopidogrelClopidogrel Bisulfate23suppressed
Fluticasone PropionateFluticasone Propionate23suppressed
SynthroidLevothyroxine Sodium23suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl22suppressed
EstradiolEstradiol2213
Nano 2nd Gen Pen NeedlePen Needle, Diabetic22suppressed
NaproxenNaproxen22suppressed
ValacyclovirValacyclovir Hcl2211
Triamcinolone AcetonideTriamcinolone Acetonide2114
AllopurinolAllopurinol20suppressed
Novolog FlexpenInsulin Aspart20suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen19suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl19suppressed
Wixela InhubFluticasone Propion/Salmeterol19suppressed
MyrbetriqMirabegron18suppressed
KetoconazoleKetoconazole17suppressed
XareltoRivaroxaban17suppressed
Amitriptyline HclAmitriptyline Hcl16suppressed
Clonidine HclClonidine Hcl16suppressed
Hydroxyzine HclHydroxyzine Hcl16suppressed
Liothyronine SodiumLiothyronine Sodium16suppressed
Meclizine HclMeclizine Hcl16suppressed
MupirocinMupirocin16suppressed
Tamsulosin HclTamsulosin Hcl16suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine15suppressed
LevetiracetamLevetiracetam15suppressed
Oxybutynin Chloride ErOxybutynin Chloride15suppressed
PrimidonePrimidone15suppressed
Droplet Pen NeedlePen Needle, Diabetic14suppressed
Advair HfaFluticasone Propion/Salmeterol13suppressed
Hydralazine HclHydralazine Hcl13suppressed
MirtazapineMirtazapine13suppressed
VyvanseLisdexamfetamine Dimesylate13suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl12suppressed
FluconazoleFluconazole1211
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic12suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr11suppressed
CefdinirCefdinir11suppressed
EzetimibeEzetimibe11suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
Methenamine HippurateMethenamine Hippurate11suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic11suppressed
Ventolin HfaAlbuterol Sulfate11suppressed

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