Bartlomiej Lech Nierzwicki, MD, DMD, PHD
NPI 1538104500ActiveIndividual· Oral & Maxillofacial Surgery· Chicago, IL
Opted out of Medicare from May 2017 to May 2027. Oral & Maxillofacial Surgery (MD, DMD, PHD) in Chicago, Illinois, licensed in IL, with an NPI issued in June 2006. Part D covered 213 prescriptions written in 2024, 99% of them generic.
Overview
| NPI | 1538104500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, DMD, PHD |
| Sole proprietor | No |
| NPI issued | Jun 16, 2006 |
| Last updated in NPPES | Oct 5, 2023 |
| Certified by provider | Oct 5, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Oral & Maxillofacial Surgery Primary | 204E00000X | 036126459 | IL |
| Dentist, Oral and Maxillofacial Surgery | 1223S0112X | 021002267 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out May 7, 2017 – May 7, 2027 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 213 · 217 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $1,056 |
| Generic share | 99% of claims |
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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