Megan Sierra Slack, FNP-BC
NPI 1992285902ActiveIndividual· Nurse Practitioner, Family· Barboursville, WV
Nurse Practitioner, Family (FNP-BC) with Amy A Vaughan Dermatology PLLC, practicing in Barboursville, West Virginia. Their prescriptions cost Medicare Part D more than their services did: $427,876 for 1,059 claims, against $129,826 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $1,331 in all, mostly food and beverage. Lists St Marys Medical Center as a hospital affiliation.
Overview
| NPI | 1992285902 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | No |
| NPI issued | Aug 19, 2018 |
| Last updated in NPPES | Jul 6, 2021 |
| Certified by provider | Jul 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 86057 | WV |
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 (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 746 |
|---|---|
| Services billed | 3,506 across 46 procedure codes |
| Paid by Medicare | $129,826 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,059 · 1,233 30-day fills |
|---|---|
| Patients | 487 |
| Total drug cost | $427,876 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Amy A Vaughan Dermatology PLLCBarboursville, WV · 4 clinicians
Hospital affiliation
- St Marys Medical CenterHuntington, WV
Industry payments (Open Payments)
- 2025$1,331 · 79 payments from 12 companies
- 2024$1,651 · 83 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $563.59 | 33 |
| Ucb, Inc. | $199.10 | 17 |
| Janssen Biotech, Inc. | $177.12 | 10 |
| Regeneron Healthcare Solutions, Inc. | $126.14 | 5 |
| Galderma Laboratories, L.P. | $73.32 | 4 |
What the 2025 payments were for
- Food and Beverage$1,262 · 78 payments
- Education$68.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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