Healthcare provider profile · identity verified

Todd M Walton, NP

Nurse Practitioner · PHOENIX, AZ · NPI 1659823334

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
Ondansetron HclOndansetron Hcl6235
GabapentinGabapentin5721
Oxycodone HclOxycodone Hcl5515
Atorvastatin CalciumAtorvastatin Calcium3626
Hydroxyzine HclHydroxyzine Hcl36suppressed
FurosemideFurosemide3518
Vancomycin HclVancomycin Hcl3513
Trazodone HclTrazodone Hcl31suppressed
Amlodipine BesylateAmlodipine Besylate3013
Cefepime HclCefepime Hcl2711
MethocarbamolMethocarbamol26suppressed
Sodium Chloride0.9 % Sodium Chloride25suppressed
EliquisApixaban2417
Insulin LisproInsulin Lispro23suppressed
LisinoprilLisinopril2218
BaclofenBaclofen20suppressed
CarvedilolCarvedilol20suppressed
Hydralazine HclHydralazine Hcl2014
Potassium ChloridePotassium Chloride2011
GlycopyrrolateGlycopyrrolate18suppressed
MirtazapineMirtazapine18suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
Levothyroxine SodiumLevothyroxine Sodium1611
Midodrine HclMidodrine Hcl16suppressed
ClopidogrelClopidogrel Bisulfate15suppressed
Donepezil HclDonepezil Hcl15suppressed
Heparin SodiumHeparin Sodium,porcine15suppressed
Metformin HclMetformin Hcl15suppressed
Tizanidine HclTizanidine Hcl15suppressed
Tramadol HclTramadol Hcl15suppressed
Doxycycline HyclateDoxycycline Hyclate1412
PregabalinPregabalin14suppressed
Metoprolol TartrateMetoprolol Tartrate1312
ClonazepamClonazepam12suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro12suppressed
NystatinNystatin12suppressed
Amiodarone HclAmiodarone Hcl11suppressed
FamotidineFamotidine11suppressed
Hydroxyzine PamoateHydroxyzine Pamoate11suppressed
LorazepamLorazepam11suppressed
Losartan PotassiumLosartan Potassium11suppressed
Metoclopramide HclMetoclopramide Hcl11suppressed
Pantoprazole SodiumPantoprazole Sodium11suppressed
Pioglitazone HclPioglitazone Hcl11suppressed
Sertraline HclSertraline Hcl11suppressed
Testosterone CypionateTestosterone Cypionate11suppressed

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