Healthcare provider profile · identity verified

Yoonjie Chung, MD

Family Practice · ALLENTOWN, PA · NPI 1447720719

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 Calcium31489
JardianceEmpagliflozin19847
Amlodipine BesylateAmlodipine Besylate18043
OmeprazoleOmeprazole17243
LisinoprilLisinopril16547
Metformin HclMetformin Hcl13636
Metformin Hcl ErMetformin Hcl13029
GabapentinGabapentin12428
OzempicSemaglutide11921
Losartan PotassiumLosartan Potassium9425
HydrochlorothiazideHydrochlorothiazide9331
Levothyroxine SodiumLevothyroxine Sodium9127
Albuterol Sulfate HfaAlbuterol Sulfate8224
Fluticasone PropionateFluticasone Propionate7621
Pantoprazole SodiumPantoprazole Sodium7019
TrulicityDulaglutide5511
Rosuvastatin CalciumRosuvastatin Calcium5317
Metoprolol SuccinateMetoprolol Succinate5015
Citalopram HbrCitalopram Hydrobromide43suppressed
Duloxetine HclDuloxetine Hcl4111
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen41suppressed
SimvastatinSimvastatin4115
Morphine Sulfate ErMorphine Sulfate39suppressed
FamotidineFamotidine3818
Alendronate SodiumAlendronate Sodium3711
Trazodone HclTrazodone Hcl36suppressed
Tamsulosin HclTamsulosin Hcl33suppressed
FurosemideFurosemide31suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide30suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3014
Insulin Aspart FlexpenInsulin Aspart29suppressed
NaproxenNaproxen2911
Ammonium LactateAmmonium Lactate28suppressed
EliquisApixaban28suppressed
Hydroxyzine HclHydroxyzine Hcl27suppressed
Metoprolol TartrateMetoprolol Tartrate27suppressed
Sertraline HclSertraline Hcl27suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog26suppressed
Montelukast SodiumMontelukast Sodium26suppressed
ClopidogrelClopidogrel Bisulfate25suppressed
Diclofenac SodiumDiclofenac Sodium2511
FinasterideFinasteride22suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide22suppressed
MeloxicamMeloxicam22suppressed
Quetiapine FumarateQuetiapine Fumarate22suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate21suppressed
Bupropion XlBupropion Hcl21suppressed
Zolpidem TartrateZolpidem Tartrate21suppressed
Bupropion Hcl SrBupropion Hcl20suppressed
LorazepamLorazepam20suppressed
Novolog PenfillInsulin Aspart20suppressed
Comfort Touch Pen NeedlePen Needle, Diabetic19suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl19suppressed
HydrocortisoneHydrocortisone18suppressed
RybelsusSemaglutide18suppressed
TradjentaLinagliptin18suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic18suppressed
ClonazepamClonazepam17suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro17suppressed
JanuviaSitagliptin Phosphate17suppressed
MethocarbamolMethocarbamol1711
TorsemideTorsemide17suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic16suppressed
Nortriptyline HclNortriptyline Hcl16suppressed
Oxybutynin Chloride ErOxybutynin Chloride16suppressed
Potassium ChloridePotassium Chloride16suppressed
Glipizide ErGlipizide15suppressed
Oxycodone HclOxycodone Hcl14suppressed
Ventolin HfaAlbuterol Sulfate14suppressed
IbuprofenIbuprofen13suppressed
NystopNystatin13suppressed
Tresiba Flextouch U-100Insulin Degludec13suppressed
VraylarCariprazine Hcl13suppressed
EntrestoSacubitril/Valsartan12suppressed
Escitalopram OxalateEscitalopram Oxalate12suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol12suppressed
LactuloseLactulose12suppressed
LidocaineLidocaine12suppressed
SpironolactoneSpironolactone12suppressed
Tresiba Flextouch U-200Insulin Degludec12suppressed
ChlorthalidoneChlorthalidone11suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium11suppressed
Hydroxyzine PamoateHydroxyzine Pamoate11suppressed
Labetalol HclLabetalol Hcl11suppressed
Tizanidine HclTizanidine Hcl11suppressed
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