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
| NPI | 1518945484 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 2, 2006 |
| Last updated in NPPES | Apr 10, 2024 |
| Certified by provider | Apr 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036093043 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 159 |
|---|---|
| Services billed | 1,079 across 30 procedure codes |
| Paid by Medicare | $69,359 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,078 · 5,118 30-day fills |
|---|---|
| Patients | 231 |
| Total drug cost | $122,044 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Condell Medical CenterLibertyville, IL
- Advocate Lutheran General HospitalPark Ridge, IL
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
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
- 1033197637
- 1144208612
- 1154309755
- 1346228954
- 1629028428
- 1730167339
- 1912163130
- 1992730725
- 1043282320
- 1114214111
- 1710974860
- 1780094714
All 35 internal medicine physicians in Buffalo Grove · All internal medicine physicians in Illinois