Gregory P. Senning, PA-C
NPI 1104409267ActiveIndividual· Physician Assistant· Ventura, CA
Physician Assistant (PA-C) in Ventura, California, trained at Northwestern University Feinberg Medical School (class of 2021). 484 Medicare patients in 2024, $95,746 paid; all of their 244 Part D prescriptions were generic. Stryker Corporation reported $15.38 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1104409267 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | May 5, 2021 |
| Last updated in NPPES | Jul 14, 2025 |
| Certified by provider | Jul 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 60092 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 484 |
|---|---|
| Services billed | 5,182 across 62 procedure codes |
| Paid by Medicare | $95,746 |
Part D prescriptions in 2024
| Prescriptions (claims) | 244 · 250 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $2,129 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Physician Assistant |
Medical group
- Ventura Orthopedics Medical Group IncOxnard, CA · 72 clinicians
Hospital affiliations
- Community Memorial Hospital - VenturaVentura, CA
- St Johns Regional Medical CenterOxnard, CA
Industry payments (Open Payments)
- 2025$15.38 · 1 payment from 1 company
- 2024$114.92 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $15.38 | 1 |
What the 2025 payments were for
- Food and Beverage$15.38 · 1 payment
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