Charles Adam Willis, FNP
NPI 1659795151ActiveIndividual· Nurse Practitioner, Family· Piney Flats, TN
Nurse Practitioner, Family (FNP) with Health Express, practicing in Piney Flats, Tennessee. 108 Medicare patients in 2024, $9,794 paid; nearly all of their 543 Part D prescriptions were generic (96%). Cipher Pharmaceuticals US LLC reported $22.66 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1659795151 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Feb 5, 2014 |
| Last updated in NPPES | Feb 28, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 18377 | TN |
| Registered Nurse | 163W00000X | RN0000177156 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 108 |
|---|---|
| Services billed | 468 across 24 procedure codes |
| Paid by Medicare | $9,794 |
Part D prescriptions in 2024
| Prescriptions (claims) | 543 · 557 30-day fills |
|---|---|
| Patients | 285 |
| Total drug cost | $5,762 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Health ExpressGreeneville, TN · 3 clinicians
Industry payments (Open Payments)
- 2025$22.66 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cipher Pharmaceuticals US LLC | $22.66 | 2 |
What the 2025 payments were for
- Food and Beverage$22.66 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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