Vivian Schrenk, PA
NPI 1881358026ActiveIndividual· Physician Assistant· Tustin, CA
Physician Assistant (PA) in Tustin, California, licensed in CA, with an NPI issued in October 2021. Part D covered 1,016 prescriptions written in 2024, 84% of them generic. Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $104.99 in all, mostly food and beverage.
Overview
| NPI | 1881358026 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Oct 25, 2021 |
| Last updated in NPPES | Jun 11, 2026 |
| Certified by provider | Jun 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA62019 | 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) | 1,016 · 2,007 30-day fills |
|---|---|
| Patients | 196 |
| Total drug cost | $103,296 |
| Generic share | 84% of claims |
Industry payments (Open Payments)
- 2025$104.99 · 5 payments from 3 companies
- 2024$151.10 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $60.85 | 3 |
| Glaxosmithkline, LLC. | $28.63 | 1 |
| Amgen Inc. | $15.51 | 1 |
What the 2025 payments were for
- Food and Beverage$104.99 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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