Amber T. Lopez, APRN, FNP-BC
NPI 1154674430ActiveIndividual· Nurse Practitioner, Primary Care· Knoxville, TN
Nurse Practitioner, Primary Care (APRN, FNP-BC) with University Health System, Inc., practicing in Knoxville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $56,293 for 1,131 claims, against $3,236 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,760 in all, mostly food and beverage. Lists University Health System, Inc as a hospital affiliation.
Overview
| NPI | 1154674430 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN, FNP-BC |
| Sole proprietor | No |
| NPI issued | Oct 24, 2012 |
| Last updated in NPPES | Jul 15, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | 17107 | TN |
| Nurse Practitioner, Family | 363LF0000X | 17107 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CO); Practitioner - Nurse Practitioner (OR); Practitioner - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 32 |
|---|---|
| Services billed | 45 across 5 procedure codes |
| Paid by Medicare | $3,236 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,131 · 1,192 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $56,293 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- University Health System, Inc.Knoxville, TN · 522 clinicians
Hospital affiliation
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$1,760 · 105 payments from 16 companies
- 2024$859.74 · 37 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $387.20 | 25 |
| Takeda Pharmaceuticals U.S.A., Inc. | $248.46 | 21 |
| Madrigal Pharmaceuticals | $197.09 | 8 |
| Phathom Pharmaceuticals, Inc. | $176.33 | 18 |
| Ardelyx, Inc. | $166.62 | 7 |
What the 2025 payments were for
- Food and Beverage$1,760 · 105 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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