Healthcare provider profile · identity verified

William Marquez-Mulero, MD

Family Practice · HUMACAO, PR · NPI 1477539815

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 Calcium406117
GabapentinGabapentin23561
LisinoprilLisinopril23155
FamotidineFamotidine21247
Metformin HclMetformin Hcl18550
Amlodipine BesylateAmlodipine Besylate17853
Levothyroxine SodiumLevothyroxine Sodium16327
SynthroidLevothyroxine Sodium15932
OmeprazoleOmeprazole13225
Rosuvastatin CalciumRosuvastatin Calcium11841
Losartan PotassiumLosartan Potassium11737
Metoprolol SuccinateMetoprolol Succinate9424
HydrochlorothiazideHydrochlorothiazide8829
Tamsulosin HclTamsulosin Hcl8719
SimvastatinSimvastatin8123
Pantoprazole SodiumPantoprazole Sodium7016
TradjentaLinagliptin6813
JardianceEmpagliflozin6713
ClonazepamClonazepam64suppressed
Alendronate SodiumAlendronate Sodium6219
Donepezil HclDonepezil Hcl6115
IrbesartanIrbesartan6122
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip5932
Betamethasone ValerateBetamethasone Valerate5821
GlimepirideGlimepiride5811
LatanoprostLatanoprost5811
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide5720
Metoprolol TartrateMetoprolol Tartrate5616
PrednisonePrednisone5526
Enalapril MaleateEnalapril Maleate5314
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5318
LantusInsulin Glargine,hum.Rec.Anlog5011
Humulin 70-30Insulin Nph Hum/Reg Insulin Hm4913
Albuterol Sulfate HfaAlbuterol Sulfate4713
FinasterideFinasteride4612
AtenololAtenolol40suppressed
ClopidogrelClopidogrel Bisulfate4012
HumalogInsulin Lispro39suppressed
XareltoRivaroxaban37suppressed
Tramadol HclTramadol Hcl36suppressed
Ventolin HfaAlbuterol Sulfate35suppressed
Fluticasone PropionateFluticasone Propionate34suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen32suppressed
TrulicityDulaglutide31suppressed
Warfarin SodiumWarfarin Sodium31suppressed
FurosemideFurosemide2911
Lantus SolostarInsulin Glargine,hum.Rec.Anlog29suppressed
Trazodone HclTrazodone Hcl29suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine28suppressed
Montelukast SodiumMontelukast Sodium28suppressed
NabumetoneNabumetone2719
Insulin SyringeSyringe-Needle,insulin,0.5 Ml26suppressed
LansoprazoleLansoprazole26suppressed
LorazepamLorazepam26suppressed
CarvedilolCarvedilol25suppressed
JentaduetoLinagliptin/Metformin Hcl25suppressed
Nifedipine ErNifedipine25suppressed
Duloxetine HclDuloxetine Hcl24suppressed
Clonidine HclClonidine Hcl23suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate23suppressed
MethylprednisoloneMethylprednisolone2318
Escitalopram OxalateEscitalopram Oxalate22suppressed
GlipizideGlipizide22suppressed
Insulin SyringeSyringe And Needle,insulin,1ml22suppressed
SucralfateSucralfate22suppressed
Diclofenac SodiumDiclofenac Sodium21suppressed
Doxazosin MesylateDoxazosin Mesylate21suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide21suppressed
Novolin 70-30Insulin Nph Hum/Reg Insulin Hm21suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2114
Synjardy XrEmpagliflozin/Metformin Hcl21suppressed
MethotrexateMethotrexate Sodium20suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1918
JanumetSitagliptin Phos/Metformin Hcl19suppressed
MethimazoleMethimazole19suppressed
Ammonium LactateAmmonium Lactate18suppressed
Divalproex SodiumDivalproex Sodium18suppressed
EliquisApixaban18suppressed
FarxigaDapagliflozin Propanediol18suppressed
AllopurinolAllopurinol17suppressed
AzithromycinAzithromycin1715
Promethazine HclPromethazine Hcl17suppressed
FenofibrateFenofibrate Nanocrystallized16suppressed
Flecainide AcetateFlecainide Acetate15suppressed
LevetiracetamLevetiracetam15suppressed
LumiganBimatoprost15suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended15suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
EzetimibeEzetimibe14suppressed
Repatha SyringeEvolocumab14suppressed
TopiramateTopiramate14suppressed
ChlorthalidoneChlorthalidone13suppressed
Amitriptyline HclAmitriptyline Hcl12suppressed
AmoxicillinAmoxicillin1211
NaproxenNaproxen12suppressed
Spiriva RespimatTiotropium Bromide12suppressed
AlprazolamAlprazolam11suppressed
Fluticasone Propionate HfaFluticasone Propionate11suppressed
JanuviaSitagliptin Phosphate11suppressed
Risedronate SodiumRisedronate Sodium11suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter11suppressed
Trijardy XrEmpaglifloz/Linaglip/Metformin11suppressed

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