Gertrude Areja Oster, APRN
NPI 1265611537ActiveIndividual· Nurse Practitioner· Tucson, AZ
Nurse Practitioner (APRN) with Akdhc LLC, practicing in Tucson, Arizona. Their prescriptions cost Medicare Part D more than their services did: $49,797 for 202 claims, against $26,701 paid for services in 2024.
Overview
| NPI | 1265611537 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Nov 2, 2007 |
| Last updated in NPPES | Nov 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | AP2816 | AZ |
| Nurse Practitioner, Family | 363LF0000X | AP2816 | 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) | Enrolled Practitioner - Nurse Practitioner (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 153 across 8 procedure codes |
| Paid by Medicare | $26,701 |
Part D prescriptions in 2024
| Prescriptions (claims) | 202 · 302 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $49,797 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Akdhc LLCGlendale, AZ · 129 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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