Tiwarna Lanette Gallman, FNP
NPI 1205553138ActiveIndividual· Nurse Practitioner, Family· West Columbia, SC
Nurse Practitioner, Family (FNP) with Minuteclinic Diagnostic South Carolina LLC, practicing in West Columbia, South Carolina. In 2024 Medicare paid $12,088 for 125 patients, and Part D covered 90 of their prescriptions, 84% of them generic. Astrazeneca Pharmaceuticals LP reported $271.89 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1205553138 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | Yes |
| NPI issued | Oct 21, 2022 |
| Last updated in NPPES | Apr 25, 2023 |
| Certified by provider | Apr 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 26039 | 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 | 125 |
|---|---|
| Services billed | 249 across 23 procedure codes |
| Paid by Medicare | $12,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 90 · 103 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $2,209 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Minuteclinic Diagnostic South Carolina LLCColumbia, SC · 113 clinicians
Industry payments (Open Payments)
- 2025$271.89 · 3 payments from 1 company
- 2024$121.83 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $271.89 | 3 |
What the 2025 payments were for
- Food and Beverage$271.89 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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