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Maria L. Fassari, MD

NPI 1295860500ActiveIndividual· Hospitalist· Elmhurst, IL

Hospitalist (MD) with Endeavor Health Medical Group, practicing in Elmhurst, Illinois. In 2024 Medicare paid $80,910 for 334 patients, and Part D covered 286 of their prescriptions, 88% of them generic. Lists Elmhurst Memorial Hospital as a hospital affiliation.

Overview

NPI1295860500
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedFeb 23, 2007
Last updated in NPPESOct 26, 2026
Certified by providerOct 26, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Hospitalist Primary208M00000X036116724IL
Internal Medicine207R00000X036-116724IL
Internal Medicine207R00000X67628-20WI

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 - Hospitalist (IL); Practitioner - Internal Medicine (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients334
Services billed817 across 10 procedure codes
Paid by Medicare$80,910

Part D prescriptions in 2024

Prescriptions (claims)286 · 307 30-day fills
Patients148
Total drug cost$15,005
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Graduation year2015
Medicare specialtyHospitalist

Medical group

Hospital affiliation

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 Hospitalist providers in Elmhurst

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