Healthcare provider profile · identity verified

Yunyu Cao, MD

Internal Medicine · ISSAQUAH, WA · NPI 1417091802

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 Calcium365116
Amlodipine BesylateAmlodipine Besylate319103
LisinoprilLisinopril25576
Levothyroxine SodiumLevothyroxine Sodium18556
Losartan PotassiumLosartan Potassium16854
GabapentinGabapentin14839
Oxycodone HclOxycodone Hcl12920
OmeprazoleOmeprazole10937
Tamsulosin HclTamsulosin Hcl8727
HydrochlorothiazideHydrochlorothiazide8424
Rosuvastatin CalciumRosuvastatin Calcium8028
Trazodone HclTrazodone Hcl7125
Amitriptyline HclAmitriptyline Hcl6918
Duloxetine HclDuloxetine Hcl6316
EliquisApixaban6119
Pantoprazole SodiumPantoprazole Sodium6118
Metformin HclMetformin Hcl6016
PregabalinPregabalin58suppressed
FinasterideFinasteride5613
Metoprolol SuccinateMetoprolol Succinate5222
SimvastatinSimvastatin5014
Metformin Hcl ErMetformin Hcl4917
FamotidineFamotidine44suppressed
Diclofenac SodiumDiclofenac Sodium4326
Fluticasone PropionateFluticasone Propionate4323
EstradiolEstradiol4119
Zolpidem TartrateZolpidem Tartrate4116
AzithromycinAzithromycin4034
Sertraline HclSertraline Hcl3912
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3913
ClonazepamClonazepam38suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3717
Escitalopram OxalateEscitalopram Oxalate3512
FurosemideFurosemide3513
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen35suppressed
LorazepamLorazepam3512
JardianceEmpagliflozin34suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3423
Potassium ChloridePotassium Chloride3314
AtenololAtenolol32suppressed
AlprazolamAlprazolam31suppressed
ClopidogrelClopidogrel Bisulfate3111
Fluticasone-SalmeterolFluticasone Propion/Salmeterol31suppressed
Montelukast SodiumMontelukast Sodium31suppressed
GlipizideGlipizide30suppressed
Pravastatin SodiumPravastatin Sodium3011
Alendronate SodiumAlendronate Sodium29suppressed
AllopurinolAllopurinol29suppressed
SpironolactoneSpironolactone29suppressed
MirtazapineMirtazapine28suppressed
Warfarin SodiumWarfarin Sodium28suppressed
OzempicSemaglutide26suppressed
Tramadol HclTramadol Hcl26suppressed
Fluoxetine HclFluoxetine Hcl25suppressed
BaclofenBaclofen23suppressed
IrbesartanIrbesartan22suppressed
AcyclovirAcyclovir21suppressed
Hydroxyzine PamoateHydroxyzine Pamoate21suppressed
MethocarbamolMethocarbamol21suppressed
Propranolol HclPropranolol Hcl21suppressed
Nifedipine ErNifedipine20suppressed
PrednisonePrednisone2015
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog19suppressed
Felodipine ErFelodipine19suppressed
Glipizide ErGlipizide19suppressed
Citalopram HbrCitalopram Hydrobromide18suppressed
Methadone HclMethadone Hcl18suppressed
Memantine HclMemantine Hcl17suppressed
CarvedilolCarvedilol1611
ChlorthalidoneChlorthalidone16suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1613
GlimepirideGlimepiride16suppressed
Nortriptyline HclNortriptyline Hcl16suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl16suppressed
Tizanidine HclTizanidine Hcl16suppressed
Combivent RespimatIpratropium/Albuterol Sulfate15suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine15suppressed
DiazepamDiazepam15suppressed
LovastatinLovastatin15suppressed
Ondansetron OdtOndansetron14suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen14suppressed
Clonidine HclClonidine Hcl13suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog13suppressed
SymbicortBudesonide/Formoterol Fumarate13suppressed
TelmisartanTelmisartan13suppressed
Benazepril HclBenazepril Hcl12suppressed
Donepezil HclDonepezil Hcl12suppressed
Haloperidol LactateHaloperidol Lactate12suppressed
Metoprolol TartrateMetoprolol Tartrate12suppressed
Morphine Sulfate ErMorphine Sulfate12suppressed
Paroxetine HclParoxetine Hcl12suppressed
Venlafaxine HclVenlafaxine Hcl12suppressed
XareltoRivaroxaban12suppressed
XifaxanRifaximin12suppressed
Azelastine HclAzelastine Hcl11suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl11suppressed
MesalamineMesalamine11suppressed
NitroglycerinNitroglycerin11suppressed
Propranolol Hcl ErPropranolol Hcl11suppressed
Ropinirole HclRopinirole Hcl11suppressed
SynthroidLevothyroxine Sodium11suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic11suppressed

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