Denesia Giffin, NP
NPI 1568490241ActiveIndividual· Nurse Practitioner· Vicksburg, MS
Nurse Practitioner (NP) in Vicksburg, Mississippi, licensed in MS, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $225,702 for 3,061 claims, against $67,395 paid for services in 2024. Astellas Pharma US Inc was the largest of 12 companies reporting payments in 2025, $617.13 in all, mostly food and beverage. Lists Merit Health River Region as a hospital affiliation.
Overview
| NPI | 1568490241 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jun 29, 2006 |
| Last updated in NPPES | Oct 31, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R748148 | MS |
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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 2,258 across 81 procedure codes |
| Paid by Medicare | $67,395 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,061 · 6,541 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $225,702 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Hospital affiliation
- Merit Health River RegionVicksburg, MS
Other facilities
- Adoration Home HealthHome health agency · Vicksburg, MS
Industry payments (Open Payments)
- 2025$617.13 · 28 payments from 12 companies
- 2024$381.46 · 19 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $228.86 | 8 |
| Astrazeneca Pharmaceuticals LP | $84.21 | 5 |
| Novo Nordisk Inc | $79.55 | 5 |
| Stryker Corporation | $42.27 | 1 |
| Phathom Pharmaceuticals, Inc. | $41.41 | 2 |
What the 2025 payments were for
- Food and Beverage$617.13 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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