Diana Olivera, FNP-C
NPI 1841782265ActiveIndividual· Nurse Practitioner, Women's Health· Phoenix, AZ
Nurse Practitioner, Women's Health (FNP-C) with Adelante Healthcare, Inc, practicing in Phoenix, Arizona. Their prescriptions cost Medicare Part D more than their services did: $12,805 for 241 claims, against $4,318 paid for services in 2024. Exeltis, USA Inc. was the largest of 7 companies reporting payments in 2025, $398.91 in all, mostly food and beverage.
Overview
| NPI | 1841782265 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Jun 1, 2018 |
| Last updated in NPPES | Mar 27, 2026 |
| Certified by provider | Mar 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Women's Health Primary | 363LW0102X | AP11597 | AZ |
| Nurse Practitioner, Family | 363LF0000X | F07180341 | AZ |
| Registered Nurse, Pediatrics | 163WP0200X | 182604 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 41 |
|---|---|
| Services billed | 90 across 14 procedure codes |
| Paid by Medicare | $4,318 |
Part D prescriptions in 2024
| Prescriptions (claims) | 241 · 438 30-day fills |
|---|---|
| Patients | 93 |
| Total drug cost | $12,805 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Adelante Healthcare, IncSurprise, AZ · 135 clinicians
Industry payments (Open Payments)
- 2025$398.91 · 15 payments from 7 companies
- 2024$809.26 · 24 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exeltis, USA Inc. | $204.67 | 7 |
| Sumitomo Pharma America, Inc. | $53.33 | 2 |
| Astellas Pharma US Inc | $41.34 | 2 |
| Hologic Sales and Service, LLC | $38.46 | 1 |
| Ibsa Pharma Inc. | $23.72 | 1 |
What the 2025 payments were for
- Food and Beverage$398.91 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 91 women's health nurse practitioners in Phoenix · All women's health nurse practitioners in Arizona