Lisa Hammock, NP
NPI 1366968729ActiveIndividual· Nurse Practitioner, Family· Thomaston, GA
Nurse Practitioner, Family (NP) with Upson County Hospital Inc and 1 other group, practicing in Thomaston, Georgia. Their prescriptions cost Medicare Part D more than their services did: $124,028 for 1,426 claims, against $24,930 paid for services in 2024. Amgen Inc. was the largest of 13 companies reporting payments in 2025, $892.56 in all, mostly food and beverage. Lists Upson Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1366968729 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Aug 17, 2017 |
| Last updated in NPPES | Jan 23, 2023 |
| Certified by provider | Jan 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN212953 | 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 | 218 |
|---|---|
| Services billed | 1,684 across 53 procedure codes |
| Paid by Medicare | $24,930 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,426 · 2,665 30-day fills |
|---|---|
| Patients | 415 |
| Total drug cost | $124,028 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Upson County Hospital IncThomaston, GA · 11 clinicians
- Upson Family Medical Center, LLCThomaston, GA · 6 clinicians
Hospital affiliation
- Upson Regional Medical CenterThomaston, GA
Industry payments (Open Payments)
- 2025$892.56 · 62 payments from 13 companies
- 2024$1,166 · 74 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $204.55 | 16 |
| Novo Nordisk Inc | $137.55 | 20 |
| Astrazeneca Pharmaceuticals LP | $113.54 | 5 |
| Abbvie Inc. | $105.91 | 4 |
| Novartis Pharmaceuticals Corporation | $86.80 | 4 |
What the 2025 payments were for
- Food and Beverage$892.56 · 62 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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