Patrick Pak, PA
NPI 1861611386ActiveIndividual· Physician Assistant· Corona, CA
Physician Assistant (PA) in Corona, California, licensed in CA, with an NPI issued in April 2007. Part D covered 814 prescriptions written in 2024, 79% of them generic. Amgen Inc. was the largest of 8 companies reporting payments in 2025, $277.13 in all, mostly food and beverage.
Overview
| NPI | 1861611386 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Apr 24, 2007 |
| Last updated in NPPES | Dec 31, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA 15188 | 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 Order and Referring Only - Physician Assistant (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 814 · 1,991 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $99,375 |
| Generic share | 79% of claims |
Industry payments (Open Payments)
- 2025$277.13 · 13 payments from 8 companies
- 2024$126.93 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $88.22 | 4 |
| Dexcom, Inc. | $40.33 | 2 |
| Novo Nordisk Inc | $39.93 | 2 |
| Redhill Biopharma Inc. | $33.78 | 1 |
| Sanofi Pasteur Inc. | $22.49 | 1 |
What the 2025 payments were for
- Food and Beverage$277.13 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 physician assistants in Corona · All physician assistants in California