Healthcare provider profile · identity verified

Junfeng Zeng

General Practice · ROSEVILLE, CA · NPI 1295966976

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 Calcium541197
Amlodipine BesylateAmlodipine Besylate400136
LisinoprilLisinopril28297
Levothyroxine SodiumLevothyroxine Sodium27390
Losartan PotassiumLosartan Potassium23589
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen23251
Fluticasone PropionateFluticasone Propionate19581
Albuterol Sulfate HfaAlbuterol Sulfate16673
Pantoprazole SodiumPantoprazole Sodium15746
Tamsulosin HclTamsulosin Hcl13646
AtenololAtenolol12844
Metoprolol TartrateMetoprolol Tartrate12744
IbuprofenIbuprofen12646
Trazodone HclTrazodone Hcl12330
Metformin Hcl ErMetformin Hcl12247
OmeprazoleOmeprazole11034
HydrochlorothiazideHydrochlorothiazide10740
Metoprolol SuccinateMetoprolol Succinate10233
FamotidineFamotidine9630
FurosemideFurosemide9135
GabapentinGabapentin8630
Montelukast SodiumMontelukast Sodium7925
Alendronate SodiumAlendronate Sodium7830
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen7511
Triamcinolone AcetonideTriamcinolone Acetonide6237
AlvescoCiclesonide6126
Venlafaxine Hcl ErVenlafaxine Hcl6113
BaclofenBaclofen6017
Potassium ChloridePotassium Chloride5721
Azelastine HclAzelastine Hcl5424
GlipizideGlipizide5421
HydrocortisoneHydrocortisone5434
MeloxicamMeloxicam5413
Wixela InhubFluticasone Propion/Salmeterol5414
Pravastatin SodiumPravastatin Sodium5318
Rosuvastatin CalciumRosuvastatin Calcium5323
AllopurinolAllopurinol5218
Fluoxetine HclFluoxetine Hcl5218
SimvastatinSimvastatin5219
Terazosin HclTerazosin Hcl5013
OzempicSemaglutide47suppressed
PrednisonePrednisone4624
Buspirone HclBuspirone Hcl4416
Spiriva RespimatTiotropium Bromide4414
Citalopram HbrCitalopram Hydrobromide4313
JardianceEmpagliflozin4316
SucralfateSucralfate4212
Metformin HclMetformin Hcl4117
MirtazapineMirtazapine4115
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4014
Tramadol HclTramadol Hcl4012
CefadroxilCefadroxil3728
Doxycycline MonohydrateDoxycycline Monohydrate3725
Duloxetine HclDuloxetine Hcl3715
Hydroxyzine HclHydroxyzine Hcl37suppressed
LactuloseLactulose37suppressed
SpironolactoneSpironolactone3612
Warfarin SodiumWarfarin Sodium3616
AcyclovirAcyclovir3411
AmoxicillinAmoxicillin3425
Clobetasol PropionateClobetasol Propionate3417
ClonazepamClonazepam34suppressed
PradaxaDabigatran Etexilate Mesylate3415
Acetaminophen-CodeineAcetaminophen With Codeine3211
CarvedilolCarvedilol3112
NaproxenNaproxen31suppressed
Ondansetron OdtOndansetron31suppressed
Ciprofloxacin HclCiprofloxacin Hcl2921
Bupropion XlBupropion Hcl26suppressed
EliquisApixaban26suppressed
Escitalopram OxalateEscitalopram Oxalate2611
ClopidogrelClopidogrel Bisulfate25suppressed
Oxycodone HclOxycodone Hcl25suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2422
BreynaBudesonide/Formoterol Fumarate24suppressed
Clonidine HclClonidine Hcl23suppressed
Donepezil HclDonepezil Hcl23suppressed
LidocaineLidocaine2312
NystatinNystatin2312
TopiramateTopiramate23suppressed
PregabalinPregabalin22suppressed
Sertraline HclSertraline Hcl22suppressed
Sumatriptan SuccinateSumatriptan Succinate22suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml2211
Insulin Glargine-YfgnInsulin Glargine-Yfgn21suppressed
Morphine Sulfate ErMorphine Sulfate21suppressed
Ondansetron HclOndansetron Hcl21suppressed
Enoxaparin SodiumEnoxaparin Sodium20suppressed
Hydralazine HclHydralazine Hcl20suppressed
LevetiracetamLevetiracetam20suppressed
NabumetoneNabumetone20suppressed
XareltoRivaroxaban19suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine18suppressed
FluocinonideFluocinonide18suppressed
MupirocinMupirocin1811
Nortriptyline HclNortriptyline Hcl18suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended18suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1815
Verapamil ErVerapamil Hcl18suppressed
FinasterideFinasteride17suppressed
AzithromycinAzithromycin1514
ColchicineColchicine15suppressed
CyclosporineCyclosporine15suppressed
LovastatinLovastatin15suppressed
Oxybutynin Chloride ErOxybutynin Chloride15suppressed
Penicillin V PotassiumPenicillin V Potassium15suppressed
Ropinirole HclRopinirole Hcl15suppressed
AlprazolamAlprazolam14suppressed
Glipizide ErGlipizide14suppressed
Humulin NInsulin Nph Human Isophane14suppressed
Humulin RInsulin Regular, Human14suppressed
Memantine HclMemantine Hcl14suppressed
Trospium ChlorideTrospium Chloride14suppressed
Dilt-XrDiltiazem Hcl13suppressed
LorazepamLorazepam13suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl13suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1212
ChlorthalidoneChlorthalidone12suppressed
Clindamycin HclClindamycin Hcl12suppressed
FluconazoleFluconazole11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed

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