Abigail Hagan Southall, NURSE PRACTITIONER
NPI 1861006066ActiveIndividual· Nurse Practitioner, Family· Lebanon, KY
Nurse Practitioner, Family (NURSE PRACTITIONER) in Lebanon, Kentucky, trained at University of Louisville School of Medicine (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $662,882 for 4,333 claims, against $51,671 paid for services in 2024. Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $1,389 in all, mostly food and beverage.
Overview
| NPI | 1861006066 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NURSE PRACTITIONER |
| Sole proprietor | Yes |
| NPI issued | Sep 4, 2020 |
| Last updated in NPPES | Sep 4, 2020 |
| Certified by provider | Sep 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 3015055 | KY |
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 (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 233 |
|---|---|
| Services billed | 2,086 across 41 procedure codes |
| Paid by Medicare | $51,671 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,333 · 7,504 30-day fills |
|---|---|
| Patients | 460 |
| Total drug cost | $662,882 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Louisville School of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Nurse Practitioner |
Medical group
- William D. Kirk M.D., PLLCLebanon, KY · 3 clinicians
Industry payments (Open Payments)
- 2025$1,389 · 77 payments from 21 companies
- 2024$1,374 · 83 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $268.15 | 16 |
| Axsome Therapeutics, Inc. | $171.68 | 7 |
| Vanda Pharmaceuticals Inc. | $139.11 | 9 |
| Viatris Specialty LLC | $100.29 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $99.77 | 5 |
What the 2025 payments were for
- Food and Beverage$1,389 · 77 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 family nurse practitioners in Lebanon · All family nurse practitioners in Kentucky