Healthcare provider profile · identity verified

Amanda Toppel, NP

Nurse Practitioner · MARICOPA, AZ · NPI 1053078915

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 Calcium25793
Amlodipine BesylateAmlodipine Besylate23879
Levothyroxine SodiumLevothyroxine Sodium22072
LisinoprilLisinopril19965
Losartan PotassiumLosartan Potassium19772
GabapentinGabapentin16459
Metformin HclMetformin Hcl12539
HydrochlorothiazideHydrochlorothiazide12343
Albuterol Sulfate HfaAlbuterol Sulfate10334
Metoprolol SuccinateMetoprolol Succinate9031
Pantoprazole SodiumPantoprazole Sodium8631
SimvastatinSimvastatin7825
Montelukast SodiumMontelukast Sodium7629
MeloxicamMeloxicam5634
AtenololAtenolol5416
GlipizideGlipizide5317
FurosemideFurosemide4921
Escitalopram OxalateEscitalopram Oxalate4816
MounjaroTirzepatide4811
OmeprazoleOmeprazole4721
Zolpidem TartrateZolpidem Tartrate4612
Hydroxyzine HclHydroxyzine Hcl4521
Tizanidine HclTizanidine Hcl4521
Duloxetine HclDuloxetine Hcl4316
Rosuvastatin CalciumRosuvastatin Calcium4319
Metoprolol TartrateMetoprolol Tartrate4215
Tramadol HclTramadol Hcl4218
FamotidineFamotidine4112
Fluticasone PropionateFluticasone Propionate4017
Sertraline HclSertraline Hcl3918
Trazodone HclTrazodone Hcl3816
CarvedilolCarvedilol3714
Potassium ChloridePotassium Chloride3717
Tamsulosin HclTamsulosin Hcl3717
Alendronate SodiumAlendronate Sodium35suppressed
IbuprofenIbuprofen34suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3226
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3215
ClopidogrelClopidogrel Bisulfate31suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen31suppressed
Metformin Hcl ErMetformin Hcl3111
Warfarin SodiumWarfarin Sodium31suppressed
Pravastatin SodiumPravastatin Sodium3012
AllopurinolAllopurinol29suppressed
Fluoxetine HclFluoxetine Hcl29suppressed
NystatinNystatin29suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide28suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2823
SymbicortBudesonide/Formoterol Fumarate28suppressed
Amitriptyline HclAmitriptyline Hcl27suppressed
Oxybutynin Chloride ErOxybutynin Chloride26suppressed
Pioglitazone HclPioglitazone Hcl2612
Citalopram HbrCitalopram Hydrobromide25suppressed
JardianceEmpagliflozin2411
Hydralazine HclHydralazine Hcl23suppressed
BaclofenBaclofen2211
Diclofenac SodiumDiclofenac Sodium22suppressed
Ropinirole HclRopinirole Hcl22suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2216
CelecoxibCelecoxib2111
FluconazoleFluconazole2119
Ondansetron OdtOndansetron2114
Oxycodone HclOxycodone Hcl21suppressed
Ondansetron HclOndansetron Hcl20suppressed
Glipizide ErGlipizide19suppressed
PregabalinPregabalin19suppressed
AlprazolamAlprazolam18suppressed
ChlorthalidoneChlorthalidone18suppressed
JanuviaSitagliptin Phosphate18suppressed
Nifedipine ErNifedipine18suppressed
PrednisonePrednisone1813
Sumatriptan SuccinateSumatriptan Succinate18suppressed
ClonazepamClonazepam17suppressed
NaproxenNaproxen17suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl17suppressed
Propranolol HclPropranolol Hcl17suppressed
Quetiapine FumarateQuetiapine Fumarate17suppressed
TopiramateTopiramate17suppressed
AzithromycinAzithromycin1613
EstradiolEstradiol16suppressed
LovastatinLovastatin16suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid16suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine15suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl15suppressed
EliquisApixaban15suppressed
Meclizine HclMeclizine Hcl15suppressed
MirtazapineMirtazapine15suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1511
ValsartanValsartan15suppressed
Bupropion XlBupropion Hcl14suppressed
EzetimibeEzetimibe14suppressed
LinzessLinaclotide14suppressed
DiazepamDiazepam13suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
Buspirone HclBuspirone Hcl12suppressed
Divalproex SodiumDivalproex Sodium12suppressed
LubiprostoneLubiprostone12suppressed
SpironolactoneSpironolactone12suppressed
CephalexinCephalexin11suppressed
CholestyramineCholestyramine (With Sugar)11suppressed
Doxepin HclDoxepin Hcl11suppressed
Paroxetine HclParoxetine Hcl11suppressed
ValacyclovirValacyclovir Hcl11suppressed
Venlafaxine Hcl ErVenlafaxine Hcl11suppressed
XareltoRivaroxaban11suppressed

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