Mary Jane Walker, FNP
NPI 1144353186ActiveIndividual· Nurse Practitioner, Family· Maynardville, TN
Nurse Practitioner, Family (FNP) with Cherokee Health Systems, practicing in Maynardville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $636,232 for 5,301 claims, against $333.10 paid for services in 2024. Neurocrine Biosciences, Inc. was the largest of 3 companies reporting payments in 2025, $155.23 in all, mostly food and beverage. Lists Blount Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1144353186 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Mar 13, 2007 |
| Last updated in NPPES | Sep 29, 2020 |
| Certified by provider | Sep 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | APN20851 | TN |
| Registered Nurse | 163W00000X | RN155059 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 24 across 10 procedure codes |
| Paid by Medicare | $333.10 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,301 · 11,290 30-day fills |
|---|---|
| Patients | 293 |
| Total drug cost | $636,232 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Cherokee Health SystemsAlcoa, TN · 130 clinicians
Hospital affiliations
- Blount Memorial HospitalMaryville, TN
- Claiborne Medical CenterTazewell, TN
- Physicians Regional Medical CenterPowell, TN
Other facilities
- Amedisys Home Health of TennesseeHome health agency · Tazewell, TN
Industry payments (Open Payments)
- 2025$155.23 · 6 payments from 3 companies
- 2024$54.94 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $83.12 | 3 |
| Lilly USA, LLC | $51.82 | 2 |
| Sumitomo Pharma America, Inc. | $20.29 | 1 |
What the 2025 payments were for
- Food and Beverage$155.23 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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