Michael Vanantwerp, MD
NPI 1790349033ActiveIndividual· Emergency Medicine· O Fallon, IL
Emergency Medicine (MD) in O Fallon, Illinois, trained at Wayne State University School of Medicine (class of 2019). 360 Medicare patients in 2024, $46,748 paid; nearly all of their 208 Part D prescriptions were generic (95%).
Overview
| NPI | 1790349033 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 23, 2019 |
| Last updated in NPPES | Jun 15, 2022 |
| Certified by provider | Jun 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 036.158946 | IL |
| Emergency Medicine | 207P00000X | 4301506138 | MI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 360 |
|---|---|
| Services billed | 409 across 21 procedure codes |
| Paid by Medicare | $46,748 |
Part D prescriptions in 2024
| Prescriptions (claims) | 208 · 210 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $2,384 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Touchette Regional Hospital IncBelleville, IL · 47 clinicians
- Midwest Emergency Anderson Health IncStaunton, IL · 36 clinicians
- Midwest Emergency Good Samaritan, IncMount Vernon, IL · 30 clinicians
- Memorial HospitalChester, IL · 30 clinicians
- Midwest Emergency Sparta, Inc.Sparta, IL · 12 clinicians
Hospital affiliations
- Anderson HospitalMaryville, IL
- Good Samaritan Regional Hlth CenterMount Vernon, IL
- Memorial HospitalChester, IL
- Sparta Community HospitalSparta, IL
- Touchette Regional Hospital IncCentreville, 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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All 27 emergency medicine physicians in O Fallon · All emergency medicine physicians in Illinois