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Tania L. Ramirez Perez, MD

NPI 1215186309ActiveIndividual· Internal Medicine, Nephrology· San Juan, PR

Internal Medicine, Nephrology (MD) in San Juan, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $282,586 for 2,107 claims, against $16,843 paid for services in 2024. Bayer Puerto Rico Inc. was the largest of 2 companies reporting payments in 2025, $127.55 in all, mostly food and beverage.

Overview

NPI1215186309
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedSep 12, 2008
Last updated in NPPESOct 23, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300X20061PR

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 - Nephrology (PR)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients40
Services billed156 across 8 procedure codes
Paid by Medicare$16,843

Part D prescriptions in 2024

Prescriptions (claims)2,107 · 2,394 30-day fills
Patients221
Total drug cost$282,586
Generic share77% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Puerto Rico School of Medicine
Graduation year2008
Medicare specialtyNephrology

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$127.55 · 7 payments from 2 companies
  • 2024$198.08 · 5 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Bayer Puerto Rico Inc.$109.366
Vifor Pharma, Inc.$18.191

What the 2025 payments were for

  • Food and Beverage$127.55 · 7 payments

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

Other nephrologists in San Juan

All nephrologists in Puerto Rico