Leland C. Lenahan III, M.D.
NPI 1770567117ActiveIndividual· Emergency Medicine, Emergency Medical Services· Evergreen Park, IL
Emergency Medicine, Emergency Medical Services (M.D.) in Evergreen Park, Illinois, trained at Louisiana State University School of Medicine in New Orleans (class of 1991). 526 Medicare patients in 2024, $68,258 paid; nearly all of their 320 Part D prescriptions were generic (98%).
Overview
| NPI | 1770567117 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 30, 2005 |
| Last updated in NPPES | May 18, 2026 |
| Certified by provider | May 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine, Emergency Medical Services Primary | 207PE0004X | 036106714 | IL |
| Emergency Medicine | 207P00000X | MD.021384 | LA |
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 (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 526 |
|---|---|
| Services billed | 824 across 17 procedure codes |
| Paid by Medicare | $68,258 |
Part D prescriptions in 2024
| Prescriptions (claims) | 320 · 321 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $2,154 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Acs Primary Care Physicians Louisiana PCZachary, LA · 24 clinicians
- Jena Ess LLCJena, LA · 15 clinicians
- Keystone Medical Services of Ferriday, Inc.Ferriday, LA · 2 clinicians
Hospital affiliations
- Allen Parish HospitalKinder, LA
- Lane Regional Medical CenterZachary, LA
- Lasalle General HospitalJena, LA
- Riverland Medical CenterFerriday, LA
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 Emergency Medicine, Emergency Medical Services providers in Illinois →