Nathan S. Ledeaux, MD
NPI 1306201363ActiveIndividual· Emergency Medicine· Oak Park, IL
Emergency Medicine (MD) in Oak Park, Illinois, trained at Northwestern University Feinberg Medical School (class of 2019). 272 Medicare patients in 2024, $38,711 paid; nearly all of their 67 Part D prescriptions were generic (94%).
Overview
| NPI | 1306201363 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 17, 2015 |
| Last updated in NPPES | Nov 22, 2024 |
| Certified by provider | Nov 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 77620-20 | WI |
| Emergency Medicine | 207P00000X | 036.163851 | 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) | Enrolled Practitioner - Emergency Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 272 |
|---|---|
| Services billed | 318 across 18 procedure codes |
| Paid by Medicare | $38,711 |
Part D prescriptions in 2024
| Prescriptions (claims) | 67 · 71 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $8,313 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Insight Chicago IncChicago, IL · 141 clinicians
- Iems Physician Services PLLCUrbana, IL · 66 clinicians
Hospital affiliation
- Insight Hospital and Medical Center ChicagoChicago, 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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