Amber Nicole Zax, FNP-C
NPI 1033823596ActiveIndividual· Nurse Practitioner, Family· Martinsville, VA
Nurse Practitioner, Family (FNP-C) with Carilion Medical Center and 1 other group, practicing in Martinsville, Virginia. Their prescriptions cost Medicare Part D more than their services did: $15,256 for 450 claims, against $2,397 paid for services in 2024. Neurocrine Biosciences, Inc. reported $20.38 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1033823596 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Jan 10, 2023 |
| Last updated in NPPES | Feb 9, 2023 |
| Certified by provider | Feb 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 0024186186 | VA |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 27 |
|---|---|
| Services billed | 45 across 7 procedure codes |
| Paid by Medicare | $2,397 |
Part D prescriptions in 2024
| Prescriptions (claims) | 450 · 702 30-day fills |
|---|---|
| Patients | 199 |
| Total drug cost | $15,256 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Carilion Medical CenterRoanoke, VA · 977 clinicians
- Kuumba Community Health and Wellness Center, IncRoanoke, VA · 15 clinicians
Industry payments (Open Payments)
- 2025$20.38 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $20.38 | 1 |
What the 2025 payments were for
- Food and Beverage$20.38 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 family nurse practitioners in Martinsville · All family nurse practitioners in Virginia