Healthcare provider profile · identity verified

Kou Yang, M.D.

Family Practice · HUGHSON, CA · NPI 1184817009

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 Calcium26895
Amlodipine BesylateAmlodipine Besylate22174
Levothyroxine SodiumLevothyroxine Sodium19761
LisinoprilLisinopril15850
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11725
Alendronate SodiumAlendronate Sodium11538
Fluticasone PropionateFluticasone Propionate11333
Albuterol Sulfate HfaAlbuterol Sulfate11243
Metoprolol SuccinateMetoprolol Succinate10740
OmeprazoleOmeprazole10440
AlvescoCiclesonide10227
HydrochlorothiazideHydrochlorothiazide9634
Losartan PotassiumLosartan Potassium9636
GabapentinGabapentin9430
Trazodone HclTrazodone Hcl7225
Fluoxetine HclFluoxetine Hcl6320
IbuprofenIbuprofen5324
AtenololAtenolol5217
Metoprolol TartrateMetoprolol Tartrate4913
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4715
Sertraline HclSertraline Hcl4616
Duloxetine HclDuloxetine Hcl4213
SpironolactoneSpironolactone4112
SimvastatinSimvastatin3914
FamotidineFamotidine3613
Rosuvastatin CalciumRosuvastatin Calcium3611
LovastatinLovastatin35suppressed
AlprazolamAlprazolam34suppressed
FurosemideFurosemide3412
MeloxicamMeloxicam3312
Wixela InhubFluticasone Propion/Salmeterol33suppressed
Tamsulosin HclTamsulosin Hcl3212
AcyclovirAcyclovir2912
Metformin Hcl ErMetformin Hcl2911
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen29suppressed
Zolpidem TartrateZolpidem Tartrate29suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2619
CarvedilolCarvedilol23suppressed
JardianceEmpagliflozin22suppressed
LorazepamLorazepam22suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2216
Pantoprazole SodiumPantoprazole Sodium22suppressed
CefadroxilCefadroxil2119
PradaxaDabigatran Etexilate Mesylate21suppressed
PrednisonePrednisone2119
Bupropion XlBupropion Hcl20suppressed
Citalopram HbrCitalopram Hydrobromide19suppressed
Ibandronate SodiumIbandronate Sodium19suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1916
Ipratropium BromideIpratropium Bromide17suppressed
Montelukast SodiumMontelukast Sodium17suppressed
ClopidogrelClopidogrel Bisulfate16suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl16suppressed
Metformin HclMetformin Hcl16suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid16suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1513
Clobetasol PropionateClobetasol Propionate15suppressed
Escitalopram OxalateEscitalopram Oxalate15suppressed
Potassium ChloridePotassium Chloride15suppressed
Quetiapine FumarateQuetiapine Fumarate15suppressed
Clindamycin PhosphateClindamycin Phosphate14suppressed
EliquisApixaban14suppressed
EstradiolEstradiol14suppressed
FluocinonideFluocinonide14suppressed
Humulin NInsulin Nph Human Isophane14suppressed
MetronidazoleMetronidazole14suppressed
Spiriva RespimatTiotropium Bromide14suppressed
Clindamycin HclClindamycin Hcl13suppressed
Retin-ATretinoin13suppressed
Humulin RInsulin Regular, Human12suppressed
HydrocortisoneHydrocortisone12suppressed
Methadone HclMethadone Hcl12suppressed
RizatriptanRizatriptan Benzoate12suppressed
Tramadol HclTramadol Hcl12suppressed
ValacyclovirValacyclovir Hcl12suppressed
Venlafaxine Hcl ErVenlafaxine Hcl12suppressed
BreynaBudesonide/Formoterol Fumarate11suppressed
MethocarbamolMethocarbamol11suppressed
MirtazapineMirtazapine11suppressed
Ropinirole HclRopinirole Hcl11suppressed
Sumatriptan SuccinateSumatriptan Succinate11suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml11suppressed

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