Mackenzie Lurene Mashburn Grillo, NP
NPI 1891205373ActiveIndividual· Nurse Practitioner, Acute Care· Douglasville, GA
Nurse Practitioner, Acute Care (NP) with Wellstar Medical Group LLC, practicing in Douglasville, Georgia. Their prescriptions cost Medicare Part D more than their services did: $5,118 for 46 claims, against $1,351 paid for services in 2024. Abiomed was the largest of 3 companies reporting payments in 2025, $172.54 in all, mostly food and beverage. Lists Wellstar Kennestone Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1891205373 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Oct 10, 2017 |
| Last updated in NPPES | Oct 10, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | RN191815 | GA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 21 across 10 procedure codes |
| Paid by Medicare | $1,351 |
Part D prescriptions in 2024
| Prescriptions (claims) | 46 · 78 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $5,118 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliation
- Wellstar Kennestone Regional Medical CenterMarietta, GA
Industry payments (Open Payments)
- 2025$172.54 · 8 payments from 3 companies
- 2024$287.92 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $76.47 | 2 |
| Kestra Medical Technology Services, Inc. | $64.77 | 4 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $31.30 | 2 |
What the 2025 payments were for
- Food and Beverage$172.54 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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