Healthcare provider profile · identity verified

Paul K Mayeda, M.D.

Family Practice · KIRKLAND, WA · NPI 1891741948

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 Calcium324102
Amlodipine BesylateAmlodipine Besylate29187
LisinoprilLisinopril23164
Levothyroxine SodiumLevothyroxine Sodium22757
Rosuvastatin CalciumRosuvastatin Calcium20767
HydrochlorothiazideHydrochlorothiazide19054
Losartan PotassiumLosartan Potassium14847
Tamsulosin HclTamsulosin Hcl14544
Metformin Hcl ErMetformin Hcl14341
Metoprolol SuccinateMetoprolol Succinate13535
AlprazolamAlprazolam13423
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12819
OmeprazoleOmeprazole11026
GabapentinGabapentin10727
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide9829
Tramadol HclTramadol Hcl9211
SimvastatinSimvastatin8426
Bupropion XlBupropion Hcl7816
Montelukast SodiumMontelukast Sodium7821
Trazodone HclTrazodone Hcl7719
AllopurinolAllopurinol6819
Pantoprazole SodiumPantoprazole Sodium6320
Metformin HclMetformin Hcl6117
Oxycodone HclOxycodone Hcl60suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5517
GlimepirideGlimepiride5412
JardianceEmpagliflozin4811
Tizanidine HclTizanidine Hcl47suppressed
Morphine Sulfate ErMorphine Sulfate46suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen46suppressed
Fluoxetine HclFluoxetine Hcl4413
Albuterol Sulfate HfaAlbuterol Sulfate4019
Pravastatin SodiumPravastatin Sodium4014
Metoprolol TartrateMetoprolol Tartrate39suppressed
OzempicSemaglutide39suppressed
Zolpidem TartrateZolpidem Tartrate3911
FinasterideFinasteride3812
Sertraline HclSertraline Hcl37suppressed
PrednisonePrednisone3616
Olmesartan MedoxomilOlmesartan Medoxomil35suppressed
AtenololAtenolol3311
IrbesartanIrbesartan33suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3211
ChlorthalidoneChlorthalidone29suppressed
Escitalopram OxalateEscitalopram Oxalate29suppressed
FurosemideFurosemide2812
MeloxicamMeloxicam28suppressed
MirtazapineMirtazapine28suppressed
ClonazepamClonazepam26suppressed
EliquisApixaban26suppressed
Fluticasone PropionateFluticasone Propionate2611
Ipratropium BromideIpratropium Bromide26suppressed
Pioglitazone HclPioglitazone Hcl25suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2314
Diclofenac SodiumDiclofenac Sodium2212
Duloxetine HclDuloxetine Hcl22suppressed
EstradiolEstradiol22suppressed
Paroxetine HclParoxetine Hcl22suppressed
EzetimibeEzetimibe21suppressed
TemazepamTemazepam21suppressed
ValacyclovirValacyclovir Hcl2112
ValsartanValsartan21suppressed
AcyclovirAcyclovir20suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril20suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac2020
DiazepamDiazepam19suppressed
Doxazosin MesylateDoxazosin Mesylate19suppressed
Sildenafil CitrateSildenafil Citrate19suppressed
SpironolactoneSpironolactone19suppressed
LorazepamLorazepam18suppressed
CelecoxibCelecoxib17suppressed
Ondansetron HclOndansetron Hcl17suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
CarvedilolCarvedilol16suppressed
FamotidineFamotidine16suppressed
Ondansetron OdtOndansetron16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
Bupropion Hcl SrBupropion Hcl15suppressed
LovastatinLovastatin15suppressed
Potassium ChloridePotassium Chloride15suppressed
PregabalinPregabalin15suppressed
Quetiapine FumarateQuetiapine Fumarate15suppressed
SucralfateSucralfate15suppressed
NadololNadolol14suppressed
Azelastine HclAzelastine Hcl13suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog12suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog12suppressed
OxycontinOxycodone Hcl12suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide12suppressed
Calcitonin-SalmonCalcitonin,salmon,synthetic11suppressed
Donepezil HclDonepezil Hcl11suppressed
Droplet Pen NeedlePen Needle, Diabetic11suppressed
Labetalol HclLabetalol Hcl11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
Warfarin SodiumWarfarin Sodium11suppressed

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