Healthcare provider profile · identity verified

Paul Chen, M.D.

Allopathic & Osteopathic Physicians|Internal Medicine · RIALTO, CA · NPI 1588689350

Profile state: payments and partd 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

CMS Open Payments records show Paul Chen, M.D. received $368.98 in general payments during 2025 across 2 reported records.

BIOTISSUE HOLDINGS INC. accounted for 100.0% of that reported general-payment amount.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$368.98

2 reported records · 1 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
BIOTISSUE HOLDINGS INC. Unresolved — no canonical attribution shown $368.98100.0%22025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$368.982

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Payment records were found, but the reported records did not identify a specific associated product for this analysis.

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.

None of this doctor’s payer companies has same-entity product evidence that passes the publication threshold. The site does not infer company ownership, affiliates, or generic manufacturers.

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 Calcium1130358
Metformin HclMetformin Hcl803227
LisinoprilLisinopril737229
Amlodipine BesylateAmlodipine Besylate705218
OmeprazoleOmeprazole457146
HydrochlorothiazideHydrochlorothiazide439130
Losartan PotassiumLosartan Potassium400121
Levothyroxine SodiumLevothyroxine Sodium377103
SimvastatinSimvastatin358101
Albuterol Sulfate HfaAlbuterol Sulfate33275
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen31250
GabapentinGabapentin28687
Tamsulosin HclTamsulosin Hcl27181
Lantus SolostarInsulin Glargine,hum.Rec.Anlog23746
Diclofenac SodiumDiclofenac Sodium22486
GlipizideGlipizide21461
Pioglitazone HclPioglitazone Hcl21062
Pantoprazole SodiumPantoprazole Sodium20269
Citalopram HbrCitalopram Hydrobromide19458
Alendronate SodiumAlendronate Sodium18057
Hydralazine HclHydralazine Hcl18056
Rosuvastatin CalciumRosuvastatin Calcium17757
JanuviaSitagliptin Phosphate17341
Trazodone HclTrazodone Hcl17147
FurosemideFurosemide16752
GlimepirideGlimepiride16551
IbuprofenIbuprofen16262
Metoprolol SuccinateMetoprolol Succinate15147
CarvedilolCarvedilol14951
BaclofenBaclofen14348
AtenololAtenolol12936
Zolpidem TartrateZolpidem Tartrate12824
Tramadol HclTramadol Hcl12335
Triamcinolone AcetonideTriamcinolone Acetonide11752
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog10921
Benazepril HclBenazepril Hcl10026
Metoprolol TartrateMetoprolol Tartrate10033
OzempicSemaglutide9921
Potassium ChloridePotassium Chloride9926
Sertraline HclSertraline Hcl9926
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide9730
PregabalinPregabalin9428
FinasterideFinasteride9330
Enalapril MaleateEnalapril Maleate8427
Fluticasone-SalmeterolFluticasone Propion/Salmeterol8117
LorazepamLorazepam7620
FarxigaDapagliflozin Propanediol7117
FamotidineFamotidine7025
Fluticasone PropionateFluticasone Propionate7024
Amitriptyline HclAmitriptyline Hcl6920
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6622
ClopidogrelClopidogrel Bisulfate6423
Donepezil HclDonepezil Hcl6319
XareltoRivaroxaban5911
Nifedipine ErNifedipine5722
Paroxetine HclParoxetine Hcl5617
Wixela InhubFluticasone Propion/Salmeterol5611
Clonidine HclClonidine Hcl5518
LovastatinLovastatin5516
Pravastatin SodiumPravastatin Sodium5515
PrednisonePrednisone5416
AllopurinolAllopurinol5216
Alcohol PadsAlcohol Antiseptic Pads51suppressed
Comfort Ez Pen NeedlePen Needle, Diabetic5013
EliquisApixaban5012
Ciprofloxacin HclCiprofloxacin Hcl4840
MethocarbamolMethocarbamol47suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter47suppressed
Duloxetine HclDuloxetine Hcl4611
Humalog Kwikpen U-100Insulin Lispro4612
Sumatriptan SuccinateSumatriptan Succinate46suppressed
Montelukast SodiumMontelukast Sodium4511
TemazepamTemazepam4411
Ultra-Fine Short Pen NeedlePen Needle, Diabetic4314
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic4216
KetoconazoleKetoconazole4114
JardianceEmpagliflozin4015
Meclizine HclMeclizine Hcl4015
Nano 2nd Gen Pen NeedlePen Needle, Diabetic4014
NaproxenNaproxen4021
AlogliptinAlogliptin Benzoate39suppressed
LantusInsulin Glargine,hum.Rec.Anlog39suppressed
Hydroxyzine HclHydroxyzine Hcl3716
Propranolol HclPropranolol Hcl37suppressed
Warfarin SodiumWarfarin Sodium36suppressed
MeloxicamMeloxicam3512
TradjentaLinagliptin34suppressed
TrulicityDulaglutide34suppressed
AlprazolamAlprazolam3311
Bupropion Hcl SrBupropion Hcl32suppressed
Memantine HclMemantine Hcl30suppressed
Sildenafil CitrateSildenafil Citrate30suppressed
Escitalopram OxalateEscitalopram Oxalate29suppressed
SpironolactoneSpironolactone29suppressed
ValsartanValsartan29suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid28suppressed
ClonazepamClonazepam27suppressed
Bupropion XlBupropion Hcl26suppressed
IrbesartanIrbesartan26suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2523
Cyclobenzaprine HclCyclobenzaprine Hcl24suppressed
CephalexinCephalexin2220
Humulin 70/30 KwikpenInsulin Nph Hum/Reg Insulin Hm22suppressed
AzithromycinAzithromycin2117
LansoprazoleLansoprazole21suppressed
MethimazoleMethimazole21suppressed
Ondansetron HclOndansetron Hcl20suppressed
AripiprazoleAripiprazole19suppressed
SteglatroErtugliflozin Pidolate19suppressed
Easy Comfort Insulin SyringeSyringe-Needle,insulin,0.5 Ml18suppressed
Glipizide ErGlipizide18suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro18suppressed
LactuloseLactulose18suppressed
Insulin LisproInsulin Lispro17suppressed
Droplet Pen NeedlePen Needle, Diabetic16suppressed
IbuIbuprofen16suppressed
Metformin Hcl ErMetformin Hcl16suppressed
Spiriva HandihalerTiotropium Bromide16suppressed
SymbicortBudesonide/Formoterol Fumarate16suppressed
TopiramateTopiramate16suppressed
Acetaminophen-CodeineAcetaminophen With Codeine15suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1515
Buspirone HclBuspirone Hcl15suppressed
Carbidopa-LevodopaCarbidopa/Levodopa15suppressed
Diclofenac PotassiumDiclofenac Potassium15suppressed
Ropinirole HclRopinirole Hcl15suppressed
Ultra-Fine Micro Pen NeedlePen Needle, Diabetic15suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide15suppressed
InvokanaCanagliflozin14suppressed
Novolin 70-30Insulin Nph Hum/Reg Insulin Hm14suppressed
Ondansetron OdtOndansetron14suppressed
Oxybutynin ChlorideOxybutynin Chloride14suppressed
Dicyclomine HclDicyclomine Hcl13suppressed
FenofibrateFenofibrate,micronized13suppressed
FluconazoleFluconazole13suppressed
Fluoxetine HclFluoxetine Hcl13suppressed
Isosorbide DinitrateIsosorbide Dinitrate13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril12suppressed
Fluticasone Propionate HfaFluticasone Propionate12suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate12suppressed
LidocaineLidocaine12suppressed
Terbinafine HclTerbinafine Hcl1212
Tresiba Flextouch U-100Insulin Degludec12suppressed
AcarboseAcarbose11suppressed
Insulin SyringeSyringe-Needle,insulin,0.5 Ml11suppressed
Venlafaxine Hcl ErVenlafaxine Hcl11suppressed
XifaxanRifaximin11suppressed

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 $368.98 · 2 records BIOTISSUE HOLDINGS INC.
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