Leighann Giriunas, PHYSICIAN ASSISTANT
NPI 1942764097ActiveIndividual· Physician Assistant· Oakland, CA
Physician Assistant (PHYSICIAN ASSISTANT) in Oakland, California, licensed in CA, with an NPI issued in January 2019. Their prescriptions cost Medicare Part D more than their services did: $885,560 for 2,132 claims, against $2,093 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 5 companies reporting payments in 2025, $105.76 in all, mostly food and beverage.
Overview
| NPI | 1942764097 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHYSICIAN ASSISTANT |
| Sole proprietor | No |
| NPI issued | Jan 23, 2019 |
| Last updated in NPPES | Sep 3, 2020 |
| Certified by provider | Sep 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 56293 | 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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 43 |
|---|---|
| Services billed | 46 across 7 procedure codes |
| Paid by Medicare | $2,093 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,132 · 5,056 30-day fills |
|---|---|
| Patients | 625 |
| Total drug cost | $885,560 |
| Generic share | 70% of claims |
Industry payments (Open Payments)
- 2025$105.76 · 7 payments from 5 companies
- 2024$110.26 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $27.57 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $23.38 | 2 |
| Scpharmaceuticals Inc. | $20.50 | 1 |
| Astrazeneca Pharmaceuticals LP | $18.41 | 1 |
| Kestra Medical Technology Services, Inc. | $15.90 | 1 |
What the 2025 payments were for
- Food and Beverage$105.76 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 174 physician assistants in Oakland · All physician assistants in California