Melissa Householder Senf, APRN
NPI 1275170730ActiveIndividual· Nurse Practitioner, Family· West Columbia, SC
Nurse Practitioner, Family (APRN) with Carolina Health Centers Inc, practicing in West Columbia, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $22,090 for 233 claims, against $3,198 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $408.10 in all, mostly food and beverage.
Overview
| NPI | 1275170730 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | Yes |
| NPI issued | Dec 4, 2019 |
| Last updated in NPPES | Jun 1, 2026 |
| Certified by provider | Jun 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 23443 | SC |
| Nurse Practitioner | 363L00000X | 23443 | 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 | 21 |
|---|---|
| Services billed | 57 across 5 procedure codes |
| Paid by Medicare | $3,198 |
Part D prescriptions in 2024
| Prescriptions (claims) | 233 · 330 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $22,090 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Carolina Health Centers IncClinton, SC · 29 clinicians
Industry payments (Open Payments)
- 2025$408.10 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $264.15 | 4 |
| Lilly USA, LLC | $70.95 | 1 |
| Stryker Corporation | $26.01 | 1 |
| Novo Nordisk Inc | $17.39 | 1 |
| Pfizer Inc. | $15.82 | 1 |
What the 2025 payments were for
- Food and Beverage$408.10 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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