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Carolina Arias, M.D.

NPI 1972761849ActiveIndividual· Internal Medicine, Nephrology· San Antonio, TX

Internal Medicine, Nephrology (M.D.) with M Reza Mizani MD PA, practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,595,818 for 3,152 claims, against $157,112 paid for services in 2024. Amgen Inc. was the largest of 20 companies reporting payments in 2025, $2,396 in all, mostly food and beverage. Lists Baptist Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1972761849
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 28, 2008
Last updated in NPPESSep 11, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300XP1619TX
Internal Medicine207R00000XP1619TX

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 (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients331
Services billed1,607 across 22 procedure codes
Paid by Medicare$157,112

Part D prescriptions in 2024

Prescriptions (claims)3,152 · 6,372 30-day fills
Patients521
Total drug cost$1,595,818
Generic share64% of claims

Medicare sources and data years

Education and affiliations

Graduation year2005
Medicare specialtyNephrology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,396 · 109 payments from 20 companies
  • 2024$2,246 · 87 payments from 18 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$2,391 · 108 payments
  • Education$5.75 · 1 payment

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

Other nephrologists in San Antonio

All 168 nephrologists in San Antonio · All nephrologists in Texas