Olivia Marie Marshall, PA
NPI 1639522766ActiveIndividual· Physician Assistant· Colton, CA
Physician Assistant (PA) in Colton, California, licensed in AZ and CA, with an NPI issued in July 2016. Their prescriptions cost Medicare Part D more than their services did: $74,218 for 99 claims, against $935.95 paid for services in 2024.
Overview
| NPI | 1639522766 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jul 13, 2016 |
| Last updated in NPPES | Apr 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 6570 | AZ |
| Physician Assistant | 363A00000X | 55316 | CA |
| 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 | 19 |
|---|---|
| Services billed | 30 across 2 procedure codes |
| Paid by Medicare | $935.95 |
Part D prescriptions in 2024
| Prescriptions (claims) | 99 · 141 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $74,218 |
| Generic share | 35% of claims |
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 161 physician assistants in Colton · All physician assistants in California