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Michael J. Unger, MD

NPI 1518945484ActiveIndividual· Internal Medicine· Buffalo Grove, IL

Internal Medicine (MD) in Buffalo Grove, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $122,044 for 2,078 claims, against $69,359 paid for services in 2024.

Overview

NPI1518945484
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 2, 2006
Last updated in NPPESApr 10, 2024
Certified by providerApr 10, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X036093043IL

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 (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients159
Services billed1,079 across 30 procedure codes
Paid by Medicare$69,359

Part D prescriptions in 2024

Prescriptions (claims)2,078 · 5,118 30-day fills
Patients231
Total drug cost$122,044
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Graduation year1992
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

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 internal medicine physicians in Buffalo Grove

All 35 internal medicine physicians in Buffalo Grove · All internal medicine physicians in Illinois