Holly Armstrong, NP
NPI 1124062930ActiveIndividual· Nurse Practitioner· Jackson, MS
Nurse Practitioner (NP) with Grenada Emergency Group, LLC and 2 other groups, practicing in Jackson, Mississippi. 370 Medicare patients in 2024, $42,526 paid; nearly all of their 363 Part D prescriptions were generic (95%). Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $33.65 in all, mostly food and beverage. Lists University of Mississippi Medical Center- Grenada as a hospital affiliation.
Overview
| NPI | 1124062930 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Jun 27, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R862270 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 370 |
|---|---|
| Services billed | 2,053 across 67 procedure codes |
| Paid by Medicare | $42,526 |
Part D prescriptions in 2024
| Prescriptions (claims) | 363 · 368 30-day fills |
|---|---|
| Patients | 239 |
| Total drug cost | $3,696 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Grenada Emergency Group, LLCGrenada, MS · 36 clinicians
- United Emergency Services Inc.Oxford, MS · 35 clinicians
- Oxford After Hours Clinic, LLCOxford, MS · 6 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$33.65 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $17.67 | 1 |
| Hikma Pharmaceuticals USA | $15.98 | 1 |
What the 2025 payments were for
- Food and Beverage$33.65 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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