Mary Ellen Sullivan, GNP-BC
NPI 1861676942ActiveIndividual· Nurse Practitioner, Gerontology· Columbia, SC
Nurse Practitioner, Gerontology (GNP-BC) with SC House Calls Inc, practicing in Columbia, South Carolina. 318 Medicare patients in 2024, $77,364 paid; nearly all of their 1,413 Part D prescriptions were generic (91%). Lilly USA, LLC was the largest of 6 companies reporting payments in 2025, $511.06 in all, mostly food and beverage.
Overview
| NPI | 1861676942 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | GNP-BC |
| Sole proprietor | No |
| NPI issued | Dec 25, 2007 |
| Last updated in NPPES | Nov 9, 2022 |
| Certified by provider | Nov 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 3428 | SC |
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 (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 318 |
|---|---|
| Services billed | 1,433 across 25 procedure codes |
| Paid by Medicare | $77,364 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,413 · 2,246 30-day fills |
|---|---|
| Patients | 288 |
| Total drug cost | $90,116 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- SC House Calls IncWest Columbia, SC · 432 clinicians
Industry payments (Open Payments)
- 2025$511.06 · 6 payments from 6 companies
- 2024$203.24 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $119.26 | 1 |
| Astrazeneca Pharmaceuticals LP | $112.88 | 1 |
| Abbvie Inc. | $107.65 | 1 |
| Viatris Specialty LLC | $82.28 | 1 |
| Exact Sciences Corporation | $71.08 | 1 |
What the 2025 payments were for
- Food and Beverage$511.06 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 gerontology nurse practitioners in Columbia · All gerontology nurse practitioners in South Carolina