Gregory J. Zweig, MD
NPI 1063598324ActiveIndividual· Radiology, Diagnostic Radiology· Schaumburg, IL
Radiology, Diagnostic Radiology (MD) in Schaumburg, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1985). Medicare paid $110,111 for services to 2,178 patients in 2024.
Overview
| NPI | 1063598324 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 30, 2006 |
| Last updated in NPPES | Feb 25, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 036073392 | IL |
| Radiology, Neuroradiology | 2085N0700X | 036-073392 | 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 - Diagnostic Radiology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,178 |
|---|---|
| Services billed | 3,090 across 132 procedure codes |
| Paid by Medicare | $110,111 |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Diagnostic Radiology |
Medical group
- Radiology Subspecialists of Northern Illinois LLCGeneva, IL · 32 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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