Anthony A. Niezyniecki, M.D.
NPI 1104864842ActiveIndividual· Emergency Medicine· Milwaukee, WI
Emergency Medicine (M.D.) in Milwaukee, Wisconsin, trained at Northwestern University Feinberg Medical School (class of 1993). 159 Medicare patients in 2024, $16,294 paid; nearly all of their 177 Part D prescriptions were generic (94%).
Overview
| NPI | 1104864842 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 3, 2006 |
| Last updated in NPPES | Jan 30, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 38776-020 | WI |
| Emergency Medicine | 207P00000X | 036-094801 | 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 - Emergency Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 159 |
|---|---|
| Services billed | 203 across 12 procedure codes |
| Paid by Medicare | $16,294 |
Part D prescriptions in 2024
| Prescriptions (claims) | 177 · 177 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $3,032 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Emergency Medicine |
Medical group
- Belvidere Emergency Physicians, LLCBelvidere, IL · 22 clinicians
Hospital affiliation
- Uw HealthRockford, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other emergency medicine physicians in Milwaukee
- 1023374188
- 1043482102
- 1073561908
- 1134153679
- 1134618572
- 1174933089
- 1225086036
- 1255996872
- 1295725513
- 1295792711
- 1326625237
- 1336191162
All 371 emergency medicine physicians in Milwaukee · All emergency medicine physicians in Wisconsin