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Tia Kostas

NPI 1174722409ActiveIndividual· Internal Medicine, Geriatric Medicine· Chicago, IL

Internal Medicine, Geriatric Medicine in Chicago, Illinois, trained at Mayo Medical School (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $324,488 for 3,450 claims, against $37,673 paid for services in 2024.

Overview

NPI1174722409
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedJul 17, 2007
Last updated in NPPESOct 24, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Geriatric Medicine Primary207RG0300X036134139IL

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 - Geriatric Medicine (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients201
Services billed613 across 30 procedure codes
Paid by Medicare$37,673

Part D prescriptions in 2024

Prescriptions (claims)3,450 · 7,828 30-day fills
Patients285
Total drug cost$324,488
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMayo Medical School
Graduation year2007
Medicare specialtyGeriatric Medicine
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other geriatricians in Chicago

All 99 geriatricians in Chicago · All geriatricians in Illinois