Derek Oliver
NPI 1386153237ActiveIndividual· Physician Assistant· Ventura, CA
Physician Assistant with County of Ventura, practicing in Ventura, California. Part D covered 24 prescriptions written in 2024, 96% of them generic. Endo USA, Inc. was the largest of 6 companies reporting payments in 2025, $218.10 in all, mostly food and beverage.
Overview
| NPI | 1386153237 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 22, 2017 |
| Last updated in NPPES | Nov 18, 2025 |
| Certified by provider | Nov 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 54952 | CA |
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 (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 24 · 26 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $167.44 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- County of VenturaVentura, CA · 344 clinicians
Industry payments (Open Payments)
- 2025$218.10 · 6 payments from 6 companies
- 2024$207.06 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endo USA, Inc. | $99.45 | 1 |
| Smith+nephew, Inc. | $27.81 | 1 |
| Urgo Medical North America, LLC | $25.37 | 1 |
| Depuy Synthes Sales Inc. | $24.75 | 1 |
| Kerecis Limited | $22.55 | 1 |
What the 2025 payments were for
- Food and Beverage$218.10 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 64 physician assistants in Ventura · All physician assistants in California