Healthcare provider profile · identity verified

Daniel Chung, M.D.

Family Practice · CASA GRANDE, AZ · NPI 1821091984

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 Calcium708212
LisinoprilLisinopril534149
Metformin HclMetformin Hcl501137
Rosuvastatin CalciumRosuvastatin Calcium458125
Amlodipine BesylateAmlodipine Besylate457131
Losartan PotassiumLosartan Potassium30383
TrulicityDulaglutide30048
Levothyroxine SodiumLevothyroxine Sodium29977
FamotidineFamotidine25379
GabapentinGabapentin23172
Pravastatin SodiumPravastatin Sodium20659
Fluticasone PropionateFluticasone Propionate19498
Metoprolol TartrateMetoprolol Tartrate19160
OzempicSemaglutide17940
JardianceEmpagliflozin17051
Alendronate SodiumAlendronate Sodium15560
Albuterol Sulfate HfaAlbuterol Sulfate12854
ClopidogrelClopidogrel Bisulfate11933
HydrochlorothiazideHydrochlorothiazide11639
Tamsulosin HclTamsulosin Hcl11440
Sertraline HclSertraline Hcl10630
EzetimibeEzetimibe10430
Metformin Hcl ErMetformin Hcl9935
Lantus SolostarInsulin Glargine,hum.Rec.Anlog8728
Montelukast SodiumMontelukast Sodium8520
CarvedilolCarvedilol8223
Warfarin SodiumWarfarin Sodium8217
SimvastatinSimvastatin8124
Metoprolol SuccinateMetoprolol Succinate7923
FurosemideFurosemide7625
MirtazapineMirtazapine7022
EliquisApixaban6925
AllopurinolAllopurinol6617
OmeprazoleOmeprazole6422
Pantoprazole SodiumPantoprazole Sodium6421
Potassium ChloridePotassium Chloride6331
Nano 2nd Gen Pen NeedlePen Needle, Diabetic6226
Ropinirole HclRopinirole Hcl5714
Duloxetine HclDuloxetine Hcl5618
AtenololAtenolol5112
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)49suppressed
Humalog Kwikpen U-100Insulin Lispro4720
LantusInsulin Glargine,hum.Rec.Anlog4713
Oxybutynin ChlorideOxybutynin Chloride4711
TradjentaLinagliptin4512
Escitalopram OxalateEscitalopram Oxalate4413
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen44suppressed
Spiriva HandihalerTiotropium Bromide4413
Tizanidine HclTizanidine Hcl4222
KetoconazoleKetoconazole3920
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3833
GlipizideGlipizide3611
Glipizide ErGlipizide3512
ValsartanValsartan34suppressed
Doxazosin MesylateDoxazosin Mesylate33suppressed
MounjaroTirzepatide31suppressed
SynthroidLevothyroxine Sodium31suppressed
BaclofenBaclofen30suppressed
HydrocortisoneHydrocortisone3017
FinasterideFinasteride2811
GlimepirideGlimepiride28suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide28suppressed
Tresiba Flextouch U-100Insulin Degludec28suppressed
Hydralazine HclHydralazine Hcl2712
Midodrine HclMidodrine Hcl27suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog27suppressed
CefdinirCefdinir2625
LovastatinLovastatin26suppressed
MupirocinMupirocin2620
Paroxetine HclParoxetine Hcl26suppressed
Doxycycline HyclateDoxycycline Hyclate2523
Trazodone HclTrazodone Hcl25suppressed
Citalopram HbrCitalopram Hydrobromide24suppressed
SucralfateSucralfate24suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic2415
CiclopiroxCiclopirox2317
Qvar RedihalerBeclomethasone Dipropionate23suppressed
Folic AcidFolic Acid22suppressed
Azelastine HclAzelastine Hcl21suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro21suppressed
SpironolactoneSpironolactone21suppressed
Tramadol HclTramadol Hcl21suppressed
LidocaineLidocaine20suppressed
Tresiba Flextouch U-200Insulin Degludec20suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide19suppressed
Ondansetron OdtOndansetron1913
AmoxicillinAmoxicillin1816
Testosterone CypionateTestosterone Cypionate18suppressed
Verapamil SrVerapamil Hcl18suppressed
XareltoRivaroxaban18suppressed
ChlorthalidoneChlorthalidone17suppressed
Isosorbide DinitrateIsosorbide Dinitrate17suppressed
Novolog FlexpenInsulin Aspart1711
AzithromycinAzithromycin1616
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog16suppressed
PregabalinPregabalin16suppressed
Buspirone HclBuspirone Hcl15suppressed
LinzessLinaclotide15suppressed
Olmesartan MedoxomilOlmesartan Medoxomil15suppressed
Arnuity ElliptaFluticasone Furoate14suppressed
FluconazoleFluconazole1412
Nifedipine ErNifedipine14suppressed
NystatinNystatin14suppressed
Enalapril MaleateEnalapril Maleate13suppressed
Incruse ElliptaUmeclidinium Bromide13suppressed
InvokanaCanagliflozin13suppressed
Meclizine HclMeclizine Hcl13suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended13suppressed
Benztropine MesylateBenztropine Mesylate12suppressed
Clonidine HclClonidine Hcl12suppressed
Ipratropium BromideIpratropium Bromide12suppressed
JanuviaSitagliptin Phosphate12suppressed
TemazepamTemazepam12suppressed
Verapamil ErVerapamil Hcl12suppressed
Admelog SolostarInsulin Lispro11suppressed
AripiprazoleAripiprazole11suppressed
Donepezil HclDonepezil Hcl11suppressed
IrbesartanIrbesartan11suppressed

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