Healthcare provider profile · identity verified

Calvin Hung

Family Practice · VALENCIA, CA · NPI 1578775565

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 Calcium528177
Amlodipine BesylateAmlodipine Besylate26384
Losartan PotassiumLosartan Potassium22770
OmeprazoleOmeprazole19270
Metformin HclMetformin Hcl16151
Rosuvastatin CalciumRosuvastatin Calcium15450
Levothyroxine SodiumLevothyroxine Sodium13842
LisinoprilLisinopril13748
AlprazolamAlprazolam12128
Zolpidem TartrateZolpidem Tartrate11425
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11029
Tramadol HclTramadol Hcl8921
GabapentinGabapentin8533
Albuterol Sulfate HfaAlbuterol Sulfate8039
Tamsulosin HclTamsulosin Hcl7929
HydrochlorothiazideHydrochlorothiazide7828
OzempicSemaglutide7820
Trazodone HclTrazodone Hcl7522
Fluticasone PropionateFluticasone Propionate7337
Metoprolol SuccinateMetoprolol Succinate6920
CarvedilolCarvedilol6320
Pantoprazole SodiumPantoprazole Sodium6322
EliquisApixaban6119
AllopurinolAllopurinol6021
LorazepamLorazepam52suppressed
ValsartanValsartan5216
Alendronate SodiumAlendronate Sodium5016
Metoprolol TartrateMetoprolol Tartrate5017
AtenololAtenolol4813
FurosemideFurosemide4818
JardianceEmpagliflozin4614
Metformin Hcl ErMetformin Hcl4017
SimvastatinSimvastatin4013
Escitalopram OxalateEscitalopram Oxalate3812
Triamcinolone AcetonideTriamcinolone Acetonide3822
CephalexinCephalexin3730
FamotidineFamotidine3616
MeloxicamMeloxicam3516
LovastatinLovastatin34suppressed
BaclofenBaclofen32suppressed
EzetimibeEzetimibe3212
SynthroidLevothyroxine Sodium31suppressed
Citalopram HbrCitalopram Hydrobromide30suppressed
ClopidogrelClopidogrel Bisulfate30suppressed
Hydralazine HclHydralazine Hcl30suppressed
IbuprofenIbuprofen2919
Ondansetron OdtOndansetron2913
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen29suppressed
ClonazepamClonazepam28suppressed
Fluoxetine HclFluoxetine Hcl28suppressed
Benazepril HclBenazepril Hcl27suppressed
PregabalinPregabalin27suppressed
Sumatriptan SuccinateSumatriptan Succinate27suppressed
Duloxetine HclDuloxetine Hcl26suppressed
FinasterideFinasteride26suppressed
GlipizideGlipizide2611
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide26suppressed
Pravastatin SodiumPravastatin Sodium26suppressed
Potassium ChloridePotassium Chloride24suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr23suppressed
JanuviaSitagliptin Phosphate23suppressed
Meclizine HclMeclizine Hcl20suppressed
ChlorthalidoneChlorthalidone19suppressed
Ciprofloxacin HclCiprofloxacin Hcl1918
Diclofenac SodiumDiclofenac Sodium1912
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid19suppressed
Warfarin SodiumWarfarin Sodium19suppressed
Propranolol HclPropranolol Hcl18suppressed
TrulicityDulaglutide18suppressed
AzithromycinAzithromycin1716
Cyclobenzaprine HclCyclobenzaprine Hcl17suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads16suppressed
Donepezil HclDonepezil Hcl16suppressed
Glipizide ErGlipizide16suppressed
IrbesartanIrbesartan16suppressed
LactuloseLactulose16suppressed
Sertraline HclSertraline Hcl16suppressed
KetoconazoleKetoconazole15suppressed
Montelukast SodiumMontelukast Sodium15suppressed
TemazepamTemazepam15suppressed
Acetaminophen-CodeineAcetaminophen With Codeine14suppressed
Ipratropium BromideIpratropium Bromide14suppressed
MirtazapineMirtazapine14suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1412
Tizanidine HclTizanidine Hcl14suppressed
Doxazosin MesylateDoxazosin Mesylate13suppressed
NaproxenNaproxen13suppressed
Sildenafil CitrateSildenafil Citrate13suppressed
ValacyclovirValacyclovir Hcl13suppressed
Wixela InhubFluticasone Propion/Salmeterol13suppressed
HydrocortisoneHydrocortisone12suppressed
Zolpidem Tartrate ErZolpidem Tartrate12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Folic AcidFolic Acid11suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11suppressed
Oxybutynin Chloride ErOxybutynin Chloride11suppressed
Paroxetine HclParoxetine Hcl11suppressed
Venlafaxine Hcl ErVenlafaxine Hcl11suppressed

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