Maria Pirrera, FNP-C
NPI 1457042525ActiveIndividual· Nurse Practitioner, Family· Sun City West, AZ
Nurse Practitioner, Family (FNP-C) with Westside Primary Care Associates PLLC, practicing in Sun City West, Arizona. Their prescriptions cost Medicare Part D more than their services did: $111,611 for 2,011 claims, against $54,125 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 7 companies reporting payments in 2025, $557.61 in all, mostly food and beverage. Lists Banner del E. Webb Medical Center as a hospital affiliation.
Overview
| NPI | 1457042525 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | Yes |
| NPI issued | May 18, 2023 |
| Last updated in NPPES | May 18, 2023 |
| Certified by provider | May 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 291595 | 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 | 445 |
|---|---|
| Services billed | 922 across 22 procedure codes |
| Paid by Medicare | $54,125 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,011 · 4,501 30-day fills |
|---|---|
| Patients | 594 |
| Total drug cost | $111,611 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Westside Primary Care Associates PLLCSun City West, AZ · 4 clinicians
Hospital affiliation
- Banner del E. Webb Medical CenterSun City West, AZ
Industry payments (Open Payments)
- 2025$557.61 · 14 payments from 7 companies
- 2024$670.21 · 23 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $189.18 | 6 |
| Boston Scientific Corporation | $135.14 | 1 |
| Medtronic, Inc. | $124.68 | 1 |
| Glaxosmithkline, LLC. | $31.85 | 2 |
| Exact Sciences Corporation | $28.14 | 2 |
What the 2025 payments were for
- Food and Beverage$557.61 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 family nurse practitioners in Sun City West · All family nurse practitioners in Arizona