Skip to content

Efrain Fernando Ortiz Diaz, M.D.

NPI 1194751040ActiveIndividual· General Practice· Toa Baja, PR

General Practice (M.D.) in Toa Baja, Puerto Rico, licensed in PR, with an NPI issued in June 2006. Part D covered 4,841 prescriptions written in 2024, 84% of them generic. Merck Sharp & Dohme LLC reported $29.56 in payments in 2025, mostly food and beverage.

Overview

NPI1194751040
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 23, 2006
Last updated in NPPESMar 22, 2025
Certified by providerMar 22, 2025

Specialties and licenses

TaxonomyCodeLicenseState
General Practice Primary208D00000X14513PR

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 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)4,841 · 11,146 30-day fills
Patients246
Total drug cost$396,905
Generic share84% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$29.56 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Merck Sharp & Dohme LLC$29.561

What the 2025 payments were for

  • Food and Beverage$29.56 · 1 payment

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

Other General Practice providers in Toa Baja

All General Practice providers in Puerto Rico →