Olivia Jean Amrhein, FNP
NPI 1235830662ActiveIndividual· Nurse Practitioner, Family· Sun City, AZ
Nurse Practitioner, Family (FNP) in Sun City, Arizona, licensed in AZ, with an NPI issued in March 2023. Their prescriptions cost Medicare Part D more than their services did: $399,964 for 136 claims, against $20,871 paid for services in 2024. Aimmune Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $68.88 in all, mostly food and beverage. Lists Banner Boswell Medical Center as a hospital affiliation.
Overview
| NPI | 1235830662 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Mar 13, 2023 |
| Last updated in NPPES | Aug 14, 2025 |
| Certified by provider | May 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 247870 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 287 |
|---|---|
| Services billed | 394 across 5 procedure codes |
| Paid by Medicare | $20,871 |
Part D prescriptions in 2024
| Prescriptions (claims) | 136 · 195 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $399,964 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Hospital affiliation
- Banner Boswell Medical CenterSun City, AZ
Industry payments (Open Payments)
- 2025$68.88 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $46.09 | 2 |
| Merck Sharp & Dohme LLC | $22.79 | 1 |
What the 2025 payments were for
- Food and Beverage$68.88 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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