Anya Myers Zerilla, WHNP
NPI 1083965248ActiveIndividual· Nurse Practitioner, Women's Health· Knoxville, TN
Nurse Practitioner, Women's Health (WHNP) with Fields Center for Womens Health and Robotic Surgery PLLC, practicing in Knoxville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $45,846 for 566 claims, against $9,716 paid for services in 2024. Mayne Pharma Commercial LLC was the largest of 17 companies reporting payments in 2025, $1,083 in all, mostly food and beverage. Lists Parkwest Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1083965248 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | WHNP |
| Sole proprietor | Yes |
| NPI issued | Sep 27, 2012 |
| Last updated in NPPES | Sep 27, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Women's Health Primary | 363LW0102X | 16686 | 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 | 114 |
|---|---|
| Services billed | 219 across 12 procedure codes |
| Paid by Medicare | $9,716 |
Part D prescriptions in 2024
| Prescriptions (claims) | 566 · 1,008 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $45,846 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Fields Center for Womens Health and Robotic Surgery PLLCKnoxville, TN · 5 clinicians
Hospital affiliations
- Parkwest Medical CenterKnoxville, TN
- Physicians Regional Medical CenterPowell, TN
Industry payments (Open Payments)
- 2025$1,083 · 54 payments from 17 companies
- 2024$1,139 · 54 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $201.40 | 10 |
| Millicent US Inc | $113.45 | 5 |
| Exeltis, USA Inc. | $105.03 | 6 |
| Sumitomo Pharma America, Inc. | $99.40 | 5 |
| Pfizer Inc. | $98.01 | 6 |
What the 2025 payments were for
- Food and Beverage$1,083 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 women's health nurse practitioners in Knoxville · All women's health nurse practitioners in Tennessee