Healthcare provider profile · identity verified

Melissa Rose Walker, CNP

Nurse Practitioner · ONAMIA, MN · NPI 1952052912

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
LisinoprilLisinopril18859
Metoprolol SuccinateMetoprolol Succinate15138
Atorvastatin CalciumAtorvastatin Calcium15047
OmeprazoleOmeprazole14446
Levothyroxine SodiumLevothyroxine Sodium14139
SimvastatinSimvastatin13342
Losartan PotassiumLosartan Potassium12940
GabapentinGabapentin11837
FurosemideFurosemide11133
Amlodipine BesylateAmlodipine Besylate10433
HydrochlorothiazideHydrochlorothiazide10128
Duloxetine HclDuloxetine Hcl7116
Metformin HclMetformin Hcl6920
Albuterol Sulfate HfaAlbuterol Sulfate6826
Sertraline HclSertraline Hcl6218
Metformin Hcl ErMetformin Hcl6017
Metoprolol TartrateMetoprolol Tartrate6017
PrednisonePrednisone5740
Cyclobenzaprine HclCyclobenzaprine Hcl5520
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5013
Trazodone HclTrazodone Hcl4920
Oxycodone HclOxycodone Hcl4519
Tramadol HclTramadol Hcl4415
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide43suppressed
AzithromycinAzithromycin4233
ClopidogrelClopidogrel Bisulfate3813
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3812
Warfarin SodiumWarfarin Sodium38suppressed
PregabalinPregabalin37suppressed
Fluoxetine HclFluoxetine Hcl36suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol36suppressed
OzempicSemaglutide36suppressed
Rosuvastatin CalciumRosuvastatin Calcium3514
CephalexinCephalexin3428
Fluticasone PropionateFluticasone Propionate3415
MirtazapineMirtazapine34suppressed
Bupropion XlBupropion Hcl33suppressed
JardianceEmpagliflozin33suppressed
Amitriptyline HclAmitriptyline Hcl32suppressed
Buspirone HclBuspirone Hcl3211
SpironolactoneSpironolactone3114
Tamsulosin HclTamsulosin Hcl3113
Doxycycline HyclateDoxycycline Hyclate3029
Triamcinolone AcetonideTriamcinolone Acetonide2922
ValsartanValsartan29suppressed
Zolpidem TartrateZolpidem Tartrate29suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen28suppressed
AtenololAtenolol26suppressed
Pantoprazole SodiumPantoprazole Sodium26suppressed
Potassium ChloridePotassium Chloride26suppressed
Citalopram HbrCitalopram Hydrobromide25suppressed
Pravastatin SodiumPravastatin Sodium25suppressed
Venlafaxine Hcl ErVenlafaxine Hcl24suppressed
Acetaminophen-CodeineAcetaminophen With Codeine23suppressed
Clonidine HclClonidine Hcl23suppressed
TrulicityDulaglutide21suppressed
AlprazolamAlprazolam20suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2016
CarvedilolCarvedilol20suppressed
GlipizideGlipizide20suppressed
IbuprofenIbuprofen20suppressed
XareltoRivaroxaban20suppressed
Alendronate SodiumAlendronate Sodium19suppressed
Ventolin HfaAlbuterol Sulfate19suppressed
BaclofenBaclofen18suppressed
ClonazepamClonazepam17suppressed
FluconazoleFluconazole1712
Sumatriptan SuccinateSumatriptan Succinate17suppressed
SynthroidLevothyroxine Sodium17suppressed
AllopurinolAllopurinol16suppressed
Donepezil HclDonepezil Hcl16suppressed
Escitalopram OxalateEscitalopram Oxalate16suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium16suppressed
LorazepamLorazepam16suppressed
Montelukast SodiumMontelukast Sodium1611
Nortriptyline HclNortriptyline Hcl16suppressed
PrimidonePrimidone16suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol15suppressed
EliquisApixaban15suppressed
LevetiracetamLevetiracetam15suppressed
Paroxetine HclParoxetine Hcl15suppressed
SucralfateSucralfate15suppressed
Verapamil ErVerapamil Hcl15suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl14suppressed
Propranolol HclPropranolol Hcl14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril13suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate13suppressed
Ondansetron HclOndansetron Hcl13suppressed
Ondansetron OdtOndansetron13suppressed
TopiramateTopiramate13suppressed
Amiodarone HclAmiodarone Hcl12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
Medroxyprogesterone AcetateMedroxyprogesterone Acetate12suppressed
ValacyclovirValacyclovir Hcl12suppressed
AmoxicillinAmoxicillin11suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine11suppressed
CelecoxibCelecoxib11suppressed
Ciprofloxacin HclCiprofloxacin Hcl11suppressed
KeppraLevetiracetam11suppressed
KetoconazoleKetoconazole11suppressed
LidocaineLidocaine11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed

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