Andrew Chester, PA
NPI 1154069128ActiveIndividual· Physician Assistant· Tucson, AZ
Physician Assistant (PA) with Center for Orthopedic Research and Education LLC and 1 other group, practicing in Tucson, Arizona. 290 Medicare patients in 2024, $40,710 paid; nearly all of their 1,789 Part D prescriptions were generic (98%). Lists Northwest Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1154069128 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | May 20, 2022 |
| Last updated in NPPES | Aug 24, 2022 |
| Certified by provider | Aug 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 9238 | AZ |
| Physician Assistant, Medical | 363AM0700X | 9238 | AZ |
| Physician Assistant, Surgical | 363AS0400X | 9238 | AZ |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Physician Assistant (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 290 |
|---|---|
| Services billed | 1,141 across 27 procedure codes |
| Paid by Medicare | $40,710 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,789 · 1,802 30-day fills |
|---|---|
| Patients | 383 |
| Total drug cost | $12,785 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Center for Orthopedic Research and Education LLCSun City, AZ · 250 clinicians
- Tucson Orthopaedic Institute Professional CorporationOro Valley, AZ · 111 clinicians
Hospital affiliations
- Northwest Medical CenterTucson, AZ
- The Core Institute Specialty HospPhoenix, AZ
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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All 290 physician assistants in Tucson · All physician assistants in Arizona