Tiffany W. Oliver, CRNP
NPI 1255725917ActiveIndividual· Nurse Practitioner, Gerontology· Jasper, AL
Nurse Practitioner, Gerontology (CRNP) with Walker Medical Diagnostics, LLC, practicing in Jasper, Alabama. Enrolled in Medicare as practitioner - nurse practitioner. Abbvie Inc. was the largest of 23 companies reporting payments in 2025, $2,579 in all, mostly food and beverage.
Overview
| NPI | 1255725917 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Mar 20, 2015 |
| Last updated in NPPES | Oct 27, 2022 |
| Certified by provider | Oct 27, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 1-136718 | AL |
| Nurse Practitioner | 363L00000X | 1136718 | AL |
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 (AL) |
|---|
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Walker Medical Diagnostics, LLCJasper, AL · 10 clinicians
Industry payments (Open Payments)
- 2025$2,579 · 138 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $418.07 | 22 |
| Astrazeneca Pharmaceuticals LP | $367.67 | 25 |
| Novo Nordisk Inc | $353.56 | 17 |
| Pfizer Inc. | $208.11 | 10 |
| Takeda Pharmaceuticals U.S.A., Inc. | $164.05 | 8 |
What the 2025 payments were for
- Food and Beverage$2,579 · 138 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records