Sienna Contreras, PA-C
NPI 1720749377ActiveIndividual· Physician Assistant· Gilbert, AZ
Physician Assistant (PA-C) with Orthopedic Specialists of North America PLLC, practicing in Gilbert, Arizona. 50 Medicare patients in 2024, $5,370 paid; nearly all of their 84 Part D prescriptions were generic (95%).
Overview
| NPI | 1720749377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 5, 2022 |
| Last updated in NPPES | Aug 25, 2026 |
| Certified by provider | Aug 25, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 10012 | AZ |
| Physician Assistant, Surgical | 363AS0400X | 10012 | 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 - Physician Assistant (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 107 across 26 procedure codes |
| Paid by Medicare | $5,370 |
Part D prescriptions in 2024
| Prescriptions (claims) | 84 · 84 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $721.30 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Orthopedic Specialists of North America PLLCPhoenix, AZ · 309 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant providers in Gilbert
- 1336491968
- 1891415253
- 1457966640
- 1184959744
- 1437037686
- 1790344331
- 1821859679
- 1073252243
- 1376945071
- 1396581807
- 1699085274
- 1245804988