Mariel Angelee Hamilton, NP
NPI 1497466353ActiveIndividual· Nurse Practitioner, Gerontology· Greenville, SC
Nurse Practitioner, Gerontology (NP) with Carolina Nephrology PA, practicing in Greenville, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $52,342 for 361 claims, against $24,536 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 9 companies reporting payments in 2025, $582.75 in all, mostly food and beverage. Lists Prisma Health Patewood Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1497466353 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Dec 12, 2022 |
| Last updated in NPPES | Dec 12, 2022 |
| Certified by provider | Dec 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 26781 | 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 | 301 |
|---|---|
| Services billed | 1,124 across 33 procedure codes |
| Paid by Medicare | $24,536 |
Part D prescriptions in 2024
| Prescriptions (claims) | 361 · 822 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $52,342 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Carolina Nephrology PAGreenville, SC · 37 clinicians
Hospital affiliations
- Prisma Health Patewood HospitalGreenville, SC
- Prisma Health Greenville Memorial HospitalGreenville, SC
- Prisma Health Greer Memorial HospitalSpartanburg, SC
- Prisma Health Hillcrest HospitalSimpsonville, SC
- St Francis-DowntownGreenville, SC
Industry payments (Open Payments)
- 2025$582.75 · 25 payments from 9 companies
- 2024$205.68 · 10 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $189.41 | 6 |
| Bayer Healthcare Pharmaceuticals Inc. | $104.74 | 5 |
| Travere Therapeutics, Inc. | $84.32 | 4 |
| Novo Nordisk Inc | $53.34 | 2 |
| Astrazeneca Pharmaceuticals LP | $49.98 | 3 |
What the 2025 payments were for
- Food and Beverage$582.75 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 54 gerontology nurse practitioners in Greenville · All gerontology nurse practitioners in South Carolina