Callista O'Brien, PA-C
NPI 1023848140ActiveIndividual· Physician Assistant· Reading, PA
Physician Assistant (PA-C) with St Joseph Medical Group, practicing in Reading, Pennsylvania. Part D covered 22 prescriptions written in 2024, 86% of them generic. Lists Penn State Health St. Joseph as a hospital affiliation.
Overview
| NPI | 1023848140 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 5, 2024 |
| Last updated in NPPES | Aug 25, 2026 |
| Certified by provider | Aug 25, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | MA065644 | PA |
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 (PA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 52 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $442.81 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- St Joseph Medical GroupReading, PA · 189 clinicians
Hospital affiliation
- Penn State Health St. JosephReading, PA
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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