Philip Osborne McKay, PA-C
NPI 1437485281ActiveIndividual· Physician Assistant· Ventura, CA
Physician Assistant (PA-C) with County of Ventura, practicing in Ventura, California. Part D covered 2,251 prescriptions written in 2024, 78% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $489.71 in all, mostly food and beverage.
Overview
| NPI | 1437485281 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 29, 2009 |
| Last updated in NPPES | Jul 14, 2023 |
| Certified by provider | Jul 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA20616 | 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) | 2,251 · 4,463 30-day fills |
|---|---|
| Patients | 307 |
| Total drug cost | $403,557 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- County of VenturaVentura, CA · 344 clinicians
Industry payments (Open Payments)
- 2025$489.71 · 19 payments from 8 companies
- 2024$869.89 · 41 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $258.49 | 10 |
| Gilead Sciences, Inc. | $83.93 | 3 |
| Aurinia Pharma U.S., Inc. | $28.94 | 1 |
| Phathom Pharmaceuticals, Inc. | $28.61 | 1 |
| Ardelyx, Inc. | $28.14 | 1 |
What the 2025 payments were for
- Food and Beverage$489.71 · 19 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