Maciej S. Lesniak, MD
NPI 1326103151ActiveIndividual· Neurological Surgery· Chicago, IL
Neurological Surgery (MD) in Chicago, Illinois, trained at Johns Hopkins University School of Medicine (class of 1996). Medicare paid $10,506 for services to 37 patients in 2024. Depuy Synthes Sales Inc. reported $20.26 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1326103151 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 22, 2006 |
| Last updated in NPPES | Nov 10, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 036108469 | 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 - Neurosurgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 44 across 13 procedure codes |
| Paid by Medicare | $10,506 |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliation
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$20.26 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Depuy Synthes Sales Inc. | $20.26 | 1 |
What the 2025 payments were for
- Food and Beverage$20.26 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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