Healthcare provider profile · identity verified

Edwin Hao-Chung Yang, MD

Family Practice · HARBOR CITY, CA · NPI 1689745515

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 Calcium789315
Amlodipine BesylateAmlodipine Besylate551230
Losartan PotassiumLosartan Potassium302132
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide286112
SimvastatinSimvastatin24197
Levothyroxine SodiumLevothyroxine Sodium23389
Rosuvastatin CalciumRosuvastatin Calcium22599
LisinoprilLisinopril222107
Metformin Hcl ErMetformin Hcl21184
Metformin HclMetformin Hcl18570
OmeprazoleOmeprazole16672
HydrochlorothiazideHydrochlorothiazide16474
GlipizideGlipizide15365
Metoprolol TartrateMetoprolol Tartrate15161
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13950
Trazodone HclTrazodone Hcl13043
AtenololAtenolol12956
Potassium ChloridePotassium Chloride12053
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11550
AllopurinolAllopurinol10438
Albuterol Sulfate HfaAlbuterol Sulfate9656
GabapentinGabapentin9444
FurosemideFurosemide9137
Terazosin HclTerazosin Hcl9036
Alendronate SodiumAlendronate Sodium7834
Pantoprazole SodiumPantoprazole Sodium7835
Tamsulosin HclTamsulosin Hcl7331
ClopidogrelClopidogrel Bisulfate7129
JardianceEmpagliflozin7024
OzempicSemaglutide7020
LorazepamLorazepam6519
Bisoprolol FumarateBisoprolol Fumarate6326
MeloxicamMeloxicam6334
FinasterideFinasteride5726
Nano 2nd Gen Pen NeedlePen Needle, Diabetic5625
PradaxaDabigatran Etexilate Mesylate5524
Triamcinolone AcetonideTriamcinolone Acetonide5338
CarvedilolCarvedilol4520
Humulin N KwikpenInsulin Nph Human Isophane4222
Hydralazine HclHydralazine Hcl4116
Zolpidem TartrateZolpidem Tartrate41suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid4017
Humulin NInsulin Nph Human Isophane3816
LactuloseLactulose3716
FamotidineFamotidine3614
SpironolactoneSpironolactone3517
LovastatinLovastatin3411
IbuprofenIbuprofen3214
Tramadol HclTramadol Hcl32suppressed
Sertraline HclSertraline Hcl2911
ColchicineColchicine2813
Fluoxetine HclFluoxetine Hcl2813
Spiriva RespimatTiotropium Bromide28suppressed
Duloxetine HclDuloxetine Hcl2711
Montelukast SodiumMontelukast Sodium2713
Betamethasone Diprop AugmentedBetamethasone/Propylene Glyc24suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl24suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate23suppressed
AcyclovirAcyclovir21suppressed
NaproxenNaproxen21suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf2020
AlprazolamAlprazolam20suppressed
AmoxicillinAmoxicillin20suppressed
Escitalopram OxalateEscitalopram Oxalate20suppressed
PrednisonePrednisone2016
Ondansetron OdtOndansetron19suppressed
Wixela InhubFluticasone Propion/Salmeterol19suppressed
FenofibrateFenofibrate18suppressed
Morphine Sulfate ErMorphine Sulfate18suppressed
Pravastatin SodiumPravastatin Sodium18suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml18suppressed
EliquisApixaban1712
FluconazoleFluconazole1711
Nortriptyline HclNortriptyline Hcl16suppressed
AlvescoCiclesonide15suppressed
CefadroxilCefadroxil1515
EstradiolEstradiol15suppressed
EzetimibeEzetimibe1511
Insulin Glargine-YfgnInsulin Glargine-Yfgn15suppressed
MupirocinMupirocin15suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml15suppressed
HydrocortisoneHydrocortisone13suppressed
KetoconazoleKetoconazole13suppressed
MirtazapineMirtazapine13suppressed
Propranolol HclPropranolol Hcl13suppressed
CelecoxibCelecoxib12suppressed
Fluticasone PropionateFluticasone Propionate12suppressed
Metoprolol SuccinateMetoprolol Succinate12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Donepezil HclDonepezil Hcl11suppressed
Glipizide-MetforminGlipizide/Metformin Hcl11suppressed
Nystatin-TriamcinoloneNystatin/Triamcinolone Acet11suppressed
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