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David Nathaniel Vera Santiago, MD

NPI 1780105411ActiveIndividual· Internal Medicine· Aibonito, PR

Internal Medicine (MD) with Hospital Menonita de Cayey, practicing in Aibonito, Puerto Rico. Their prescriptions cost Medicare Part D more than their services did: $372,465 for 8,840 claims, against $1,146 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 3 companies reporting payments in 2025, $205.54 in all, mostly food and beverage. Lists Hospital Menonita de Aibonito and 1 other hospital as hospital affiliations.

Overview

NPI1780105411
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJul 3, 2017
Last updated in NPPESMay 7, 2021
Certified by providerApr 12, 2021

Specialties and licenses

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 - Internal Medicine (PR)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients11
Services billed22 across 6 procedure codes
Paid by Medicare$1,146

Part D prescriptions in 2024

Prescriptions (claims)8,840 · 12,428 30-day fills
Patients817
Total drug cost$372,465
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Graduation year2016
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$205.54 · 10 payments from 3 companies
  • 2024$118.08 · 5 payments from 4 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$205.54 · 10 payments

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

Other internal medicine physicians in Aibonito

All internal medicine physicians in Puerto Rico