Healthcare provider profile · identity verified

Liying Chen, M.D.

Hospitalist · ROCKVILLE CENTRE, NY · NPI 1124275813

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 Calcium23654
GabapentinGabapentin18332
FamotidineFamotidine16337
Levothyroxine SodiumLevothyroxine Sodium12013
EliquisApixaban11227
Metoprolol SuccinateMetoprolol Succinate11041
Amlodipine BesylateAmlodipine Besylate10625
Tamsulosin HclTamsulosin Hcl10022
Hydralazine HclHydralazine Hcl8925
Metoprolol TartrateMetoprolol Tartrate8314
FurosemideFurosemide7727
Pantoprazole SodiumPantoprazole Sodium7333
BumetanideBumetanide7013
Metformin HclMetformin Hcl6711
Lantus SolostarInsulin Glargine,hum.Rec.Anlog62suppressed
Losartan PotassiumLosartan Potassium5720
MirtazapineMirtazapine5713
Rosuvastatin CalciumRosuvastatin Calcium57suppressed
Clonidine HclClonidine Hcl5411
LisinoprilLisinopril54suppressed
Novolog FlexpenInsulin Aspart52suppressed
SimvastatinSimvastatin47suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc4513
ClopidogrelClopidogrel Bisulfate4516
CelecoxibCelecoxib44suppressed
SpironolactoneSpironolactone40suppressed
Donepezil HclDonepezil Hcl39suppressed
PrednisonePrednisone3828
Fluticasone PropionateFluticasone Propionate37suppressed
MetolazoneMetolazone37suppressed
Sertraline HclSertraline Hcl37suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog35suppressed
JanuviaSitagliptin Phosphate35suppressed
SucralfateSucralfate3523
AlprazolamAlprazolam34suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil3431
Insulin Lispro Kwikpen U-100Insulin Lispro34suppressed
OmeprazoleOmeprazole33suppressed
OlanzapineOlanzapine32suppressed
FinasterideFinasteride31suppressed
RamiprilRamipril31suppressed
Citalopram HbrCitalopram Hydrobromide30suppressed
AllopurinolAllopurinol29suppressed
Doxycycline HyclateDoxycycline Hyclate2929
Amiodarone HclAmiodarone Hcl28suppressed
Trazodone HclTrazodone Hcl28suppressed
Duloxetine HclDuloxetine Hcl27suppressed
Alendronate SodiumAlendronate Sodium25suppressed
Timolol MaleateTimolol Maleate25suppressed
CarvedilolCarvedilol24suppressed
Methenamine HippurateMethenamine Hippurate24suppressed
Benztropine MesylateBenztropine Mesylate23suppressed
Glipizide ErGlipizide23suppressed
Lurasidone HclLurasidone Hcl23suppressed
CalcitriolCalcitriol22suppressed
Escitalopram OxalateEscitalopram Oxalate22suppressed
Nifedipine ErNifedipine2212
Ciprofloxacin HclCiprofloxacin Hcl2119
Oxycodone HclOxycodone Hcl2112
Albuterol Sulfate HfaAlbuterol Sulfate2017
TopiramateTopiramate20suppressed
Tramadol HclTramadol Hcl20suppressed
GlipizideGlipizide19suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1816
PrimidonePrimidone18suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen17suppressed
Tizanidine HclTizanidine Hcl17suppressed
Amitriptyline HclAmitriptyline Hcl16suppressed
HydrocortisoneHydrocortisone16suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate16suppressed
ClozapineClozapine15suppressed
Hydroxyzine HclHydroxyzine Hcl15suppressed
KetoconazoleKetoconazole15suppressed
RepaglinideRepaglinide15suppressed
XareltoRivaroxaban15suppressed
ClonazepamClonazepam14suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip14suppressed
EntrestoSacubitril/Valsartan14suppressed
Insulin Aspart FlexpenInsulin Aspart14suppressed
Labetalol HclLabetalol Hcl14suppressed
Buspirone HclBuspirone Hcl13suppressed
LevetiracetamLevetiracetam13suppressed
Montelukast SodiumMontelukast Sodium13suppressed
PregabalinPregabalin13suppressed
Vancomycin HclVancomycin Hcl13suppressed
CaptoprilCaptopril12suppressed
LacosamideLacosamide12suppressed
Solifenacin SuccinateSolifenacin Succinate12suppressed
SotalolSotalol Hcl12suppressed
Zolpidem TartrateZolpidem Tartrate12suppressed
Divalproex SodiumDivalproex Sodium11suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium11suppressed
GlimepirideGlimepiride11suppressed
Humalog Kwikpen U-100Insulin Lispro11suppressed
JardianceEmpagliflozin11suppressed
Memantine Hcl ErMemantine Hcl11suppressed
MovantikNaloxegol Oxalate11suppressed
Propranolol HclPropranolol Hcl11suppressed
Sevelamer CarbonateSevelamer Carbonate11suppressed
Vitamin D2Ergocalciferol (Vitamin D2)11suppressed

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