Healthcare provider profile · identity verified

Joseph H Nadeau, PAC

Physician Assistant · DEER PARK, WA · NPI 1497846612

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
Levothyroxine SodiumLevothyroxine Sodium39996
LisinoprilLisinopril362102
Atorvastatin CalciumAtorvastatin Calcium33795
Losartan PotassiumLosartan Potassium29887
Rosuvastatin CalciumRosuvastatin Calcium26869
Amlodipine BesylateAmlodipine Besylate26179
OmeprazoleOmeprazole23464
GabapentinGabapentin16444
Metformin Hcl ErMetformin Hcl15645
Tamsulosin HclTamsulosin Hcl15047
Pantoprazole SodiumPantoprazole Sodium13039
Metoprolol SuccinateMetoprolol Succinate12736
Albuterol Sulfate HfaAlbuterol Sulfate12050
Pravastatin SodiumPravastatin Sodium12034
Trazodone HclTrazodone Hcl10828
Metformin HclMetformin Hcl10733
SimvastatinSimvastatin10628
HydrochlorothiazideHydrochlorothiazide10431
Potassium ChloridePotassium Chloride9831
Duloxetine HclDuloxetine Hcl9219
FurosemideFurosemide8830
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen8525
Tramadol HclTramadol Hcl8527
Sertraline HclSertraline Hcl7825
EliquisApixaban7518
Quetiapine FumarateQuetiapine Fumarate72suppressed
Metoprolol TartrateMetoprolol Tartrate6924
MeloxicamMeloxicam6633
JardianceEmpagliflozin6416
Alendronate SodiumAlendronate Sodium6317
ClopidogrelClopidogrel Bisulfate6120
FamotidineFamotidine5920
AllopurinolAllopurinol5813
Escitalopram OxalateEscitalopram Oxalate5416
CarvedilolCarvedilol5313
AlprazolamAlprazolam5213
Fluticasone PropionateFluticasone Propionate5018
PregabalinPregabalin50suppressed
Buspirone HclBuspirone Hcl45suppressed
SynthroidLevothyroxine Sodium4412
Montelukast SodiumMontelukast Sodium4311
LovastatinLovastatin4111
Citalopram HbrCitalopram Hydrobromide4012
Bupropion XlBupropion Hcl3915
Glipizide ErGlipizide3811
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide38suppressed
Fluoxetine HclFluoxetine Hcl37suppressed
EzetimibeEzetimibe36suppressed
Hydroxyzine HclHydroxyzine Hcl3612
Warfarin SodiumWarfarin Sodium35suppressed
AcyclovirAcyclovir3412
Paroxetine HclParoxetine Hcl33suppressed
MethocarbamolMethocarbamol3114
Zolpidem TartrateZolpidem Tartrate31suppressed
AtenololAtenolol29suppressed
Venlafaxine Hcl ErVenlafaxine Hcl29suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl28suppressed
LorazepamLorazepam2812
XareltoRivaroxaban28suppressed
Bupropion Hcl SrBupropion Hcl27suppressed
Oxybutynin ChlorideOxybutynin Chloride27suppressed
Pioglitazone HclPioglitazone Hcl26suppressed
PrednisonePrednisone2620
Ropinirole HclRopinirole Hcl26suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog2511
Tizanidine HclTizanidine Hcl25suppressed
KetoconazoleKetoconazole24suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide23suppressed
RizatriptanRizatriptan Benzoate23suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid22suppressed
GlimepirideGlimepiride21suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate21suppressed
AmoxicillinAmoxicillin19suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine19suppressed
GemfibrozilGemfibrozil19suppressed
Ondansetron OdtOndansetron19suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1916
AzithromycinAzithromycin1817
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog18suppressed
Oxycodone HclOxycodone Hcl18suppressed
Benazepril HclBenazepril Hcl17suppressed
Doxepin HclDoxepin Hcl17suppressed
FenofibrateFenofibrate17suppressed
BaclofenBaclofen16suppressed
Doxazosin MesylateDoxazosin Mesylate16suppressed
FinasterideFinasteride16suppressed
Prazosin HclPrazosin Hcl16suppressed
CelecoxibCelecoxib15suppressed
CephalexinCephalexin1414
RamiprilRamipril14suppressed
Carbidopa-LevodopaCarbidopa/Levodopa13suppressed
Enalapril MaleateEnalapril Maleate13suppressed
EstradiolEstradiol13suppressed
HydrocortisoneHydrocortisone13suppressed
JanuviaSitagliptin Phosphate13suppressed
PrimidonePrimidone13suppressed
Tramadol Hcl ErTramadol Hcl13suppressed
CarbamazepineCarbamazepine12suppressed
Doxycycline HyclateDoxycycline Hyclate1212
Oxybutynin Chloride ErOxybutynin Chloride12suppressed
SucralfateSucralfate12suppressed
AripiprazoleAripiprazole11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Donepezil HclDonepezil Hcl11suppressed
FentanylFentanyl11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl11suppressed
Venlafaxine HclVenlafaxine Hcl11suppressed

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