Margo S. McMahon, FNP-BC
NPI 1336381201ActiveIndividual· Nurse Practitioner, Family· Effingham, IL
Nurse Practitioner, Family (FNP-BC) in Effingham, Illinois, trained at Indiana University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $30,947 for 1,795 claims, against $3,428 paid for services in 2024.
Overview
| NPI | 1336381201 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | No |
| NPI issued | Mar 24, 2009 |
| Last updated in NPPES | Sep 15, 2026 |
| Certified by provider | Sep 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209007512 | 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 - Nurse Practitioner (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 130 |
|---|---|
| Services billed | 177 across 11 procedure codes |
| Paid by Medicare | $3,428 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,795 · 2,796 30-day fills |
|---|---|
| Patients | 437 |
| Total drug cost | $30,947 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Nurse Practitioner |
Medical groups
- Springfield Clinic, LLPSpringfield, IL · 687 clinicians
- Sarah Bush Lincoln Health CenterAltamont, IL · 419 clinicians
- Vituity - Illinois Auc LLPO Fallon, IL · 36 clinicians
- Marshall Clinic Effingham S CEffingham, IL · 14 clinicians
Hospital affiliations
- Sarah Bush Lincoln Health CenterMattoon, IL
- St Anthonys Memorial HospitalEffingham, 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 37 family nurse practitioners in Effingham · All family nurse practitioners in Illinois