Jon Niles Jessen, M.D.
NPI 1912970823ActiveIndividual· Emergency Medicine· Springfield, IL
Emergency Medicine (M.D.) in Springfield, Illinois, trained at Southern Illinois University School of Medicine (class of 1984). 353 Medicare patients in 2024, $46,983 paid; nearly all of their 211 Part D prescriptions were generic (97%).
Overview
| NPI | 1912970823 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 10, 2006 |
| Last updated in NPPES | Apr 29, 2024 |
| Certified by provider | Apr 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 036071861 | IL |
| Personal Emergency Response Attendant | 146D00000X | 036071861 | 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 | 353 |
|---|---|
| Services billed | 391 across 15 procedure codes |
| Paid by Medicare | $46,983 |
Part D prescriptions in 2024
| Prescriptions (claims) | 211 · 213 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $2,535 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Emergency Medicine |
Medical group
- Midwest Emergency Department Specialists LtdSpringfield, IL · 64 clinicians
Hospital affiliation
- Memorial Medical CenterSpringfield, 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 129 emergency medicine physicians in Springfield · All emergency medicine physicians in Illinois