NPI Lens

Luis Gilberto Marquez, MD

NPI 1083612527ActiveIndividual· General Practice· San Juan, PR

General Practice (MD) in San Juan, Puerto Rico, licensed in PR, with an NPI issued in July 2005. Part D covered 6,352 prescriptions written in 2024, 73% of them generic. Gilead Sciences, Inc. was the largest of 3 companies reporting payments in 2025, $373.90 in all, mostly food and beverage.

Overview

NPI1083612527
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJul 8, 2005
Last updated in NPPESApr 25, 2025
Certified by providerApr 25, 2025

Specialties and licenses

TaxonomyCodeLicenseState
General Practice Primary208D00000X12034PR
Family Medicine, Adult Medicine207QA0505X12034PR

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - General Practice (PR)

Part D prescriptions in 2024

Prescriptions (claims)6,352 · 6,765 30-day fills
Patients149
Total drug cost$3,704,375
Generic share73% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$373.90 · 14 payments from 3 companies
  • 2024$601.55 · 24 payments from 5 companies

Top paying companies in 2025

CompanyAmountPayments
Gilead Sciences, Inc.$188.277
Viiv Healthcare Company$136.735
Merck Sharp & Dohme LLC$48.902

What the 2025 payments were for

  • Food and Beverage$373.90 · 14 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other general practitioners in San Juan

All general practitioners in Puerto Rico