Healthcare provider profile · identity verified

John Charles Perez, MD

Nephrology · CHRISTIANSTED, VI · NPI 1790882140

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
Nifedipine ErNifedipine51791
Losartan PotassiumLosartan Potassium41577
Atorvastatin CalciumAtorvastatin Calcium31562
Amlodipine BesylateAmlodipine Besylate30559
Levothyroxine SodiumLevothyroxine Sodium30456
Metformin HclMetformin Hcl28557
Rosuvastatin CalciumRosuvastatin Calcium23155
Tamsulosin HclTamsulosin Hcl23048
LisinoprilLisinopril22739
AllopurinolAllopurinol18456
Pantoprazole SodiumPantoprazole Sodium17644
GlipizideGlipizide16137
MounjaroTirzepatide15626
Metoprolol SuccinateMetoprolol Succinate15330
GabapentinGabapentin13234
ClopidogrelClopidogrel Bisulfate12927
Alendronate SodiumAlendronate Sodium12525
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11624
Diclofenac SodiumDiclofenac Sodium9539
Donepezil HclDonepezil Hcl8724
EliquisApixaban8518
Enalapril MaleateEnalapril Maleate8417
Glipizide ErGlipizide8313
SimvastatinSimvastatin8215
OmeprazoleOmeprazole8123
FamotidineFamotidine7221
CarvedilolCarvedilol6118
Metoprolol TartrateMetoprolol Tartrate5812
HydrochlorothiazideHydrochlorothiazide5520
Ibandronate SodiumIbandronate Sodium5231
FurosemideFurosemide5120
Lantus SolostarInsulin Glargine,hum.Rec.Anlog51suppressed
AtenololAtenolol50suppressed
FinasterideFinasteride4812
Trazodone HclTrazodone Hcl4511
Clonidine HclClonidine Hcl38suppressed
CelecoxibCelecoxib3516
Fluticasone PropionateFluticasone Propionate3415
EzetimibeEzetimibe32suppressed
JardianceEmpagliflozin31suppressed
LevetiracetamLevetiracetam31suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat30suppressed
PrednisonePrednisone3013
ValsartanValsartan30suppressed
JanuviaSitagliptin Phosphate29suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide29suppressed
Doxazosin MesylateDoxazosin Mesylate28suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip2719
Memantine HclMemantine Hcl27suppressed
Pen NeedlePen Needle, Diabetic26suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2513
GlimepirideGlimepiride25suppressed
Humulin 70/30 KwikpenInsulin Nph Hum/Reg Insulin Hm25suppressed
LatanoprostLatanoprost25suppressed
Pravastatin SodiumPravastatin Sodium25suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2413
BaclofenBaclofen23suppressed
Betamethasone ValerateBetamethasone Valerate2316
Sertraline HclSertraline Hcl23suppressed
SynthroidLevothyroxine Sodium23suppressed
EntrestoSacubitril/Valsartan22suppressed
Hydralazine HclHydralazine Hcl22suppressed
NaproxenNaproxen22suppressed
Olmesartan MedoxomilOlmesartan Medoxomil22suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf2212
OzempicSemaglutide21suppressed
Quetiapine FumarateQuetiapine Fumarate2112
XareltoRivaroxaban21suppressed
Carbidopa-LevodopaCarbidopa/Levodopa20suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium20suppressed
IrbesartanIrbesartan20suppressed
Testosterone CypionateTestosterone Cypionate20suppressed
Tramadol HclTramadol Hcl20suppressed
Humulin 70-30Insulin Nph Hum/Reg Insulin Hm19suppressed
MethylprednisoloneMethylprednisolone1917
Silver SulfadiazineSilver Sulfadiazine1911
Chlorhexidine GluconateChlorhexidine Gluconate1816
Ciprofloxacin HclCiprofloxacin Hcl1817
MyrbetriqMirabegron18suppressed
SpironolactoneSpironolactone18suppressed
AlprazolamAlprazolam17suppressed
AzithromycinAzithromycin1715
Brimonidine TartrateBrimonidine Tartrate17suppressed
NitrofurantoinNitrofurantoin Macrocrystal17suppressed
BicalutamideBicalutamide16suppressed
CilostazolCilostazol16suppressed
KetoconazoleKetoconazole16suppressed
LorazepamLorazepam16suppressed
MeloxicamMeloxicam16suppressed
RepaglinideRepaglinide16suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide16suppressed
EstradiolEstradiol15suppressed
LamotrigineLamotrigine15suppressed
Meclizine HclMeclizine Hcl15suppressed
HydrocortisoneHydrocortisone14suppressed
Levemir FlexpenInsulin Detemir14suppressed
Montelukast SodiumMontelukast Sodium14suppressed
Escitalopram OxalateEscitalopram Oxalate13suppressed
Humulin N KwikpenInsulin Nph Human Isophane13suppressed
JanumetSitagliptin Phos/Metformin Hcl13suppressed
MethotrexateMethotrexate Sodium13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
Zolpidem TartrateZolpidem Tartrate13suppressed
EtodolacEtodolac12suppressed
IbuprofenIbuprofen12suppressed
LetrozoleLetrozole12suppressed
MupirocinMupirocin1211
Potassium ChloridePotassium Chloride12suppressed
Bupropion XlBupropion Hcl11suppressed
Metformin Hcl ErMetformin Hcl11suppressed
Procto-Med HcHydrocortisone11suppressed
TrulicityDulaglutide11suppressed

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