Marissa Paige Mahan, DNP, FNP-BC
NPI 1215531264ActiveIndividual· Nurse Practitioner, Family· Chatham, IL
Nurse Practitioner, Family (DNP, FNP-BC) with Memorial Physician Services, practicing in Chatham, Illinois. Their prescriptions cost Medicare Part D more than their services did: $43,698 for 750 claims, against $10,419 paid for services in 2024. Lists Memorial Medical Center as a hospital affiliation.
Overview
| NPI | 1215531264 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, FNP-BC |
| Sole proprietor | No |
| NPI issued | Nov 30, 2020 |
| Last updated in NPPES | May 20, 2024 |
| Certified by provider | May 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209021387 | IL |
| Nurse Practitioner, Family | 363LF0000X | 2020014749 | MO |
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 - Nurse Practitioner (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 104 |
|---|---|
| Services billed | 289 across 19 procedure codes |
| Paid by Medicare | $10,419 |
Part D prescriptions in 2024
| Prescriptions (claims) | 750 · 1,509 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $43,698 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Memorial Physician ServicesChatham, IL · 165 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
Other Nurse Practitioner, Family providers in Chatham
- 1326745241
- 1477026391
- 1508569856
- 1609366061
- 1194158238
- 1316912561
- 1548700396
- 1780045526
- 1861886715
- 1659501955
- 1609310960
- 1235563271