Luke Jonathan Paik, PA-C
NPI 1215698535ActiveIndividual· Physician Assistant· Simi Valley, CA
Physician Assistant (PA-C) with Daniel Ghiyam MD Inc, practicing in Simi Valley, California. Their prescriptions cost Medicare Part D more than their services did: $267,256 for 1,999 claims, against $48,931 paid for services in 2024. Novo Nordisk Inc was the largest of 12 companies reporting payments in 2025, $1,207 in all, mostly food and beverage. Lists Adventist Health Simi Valley as a hospital affiliation.
Overview
| NPI | 1215698535 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 8, 2022 |
| Last updated in NPPES | Feb 1, 2022 |
| Certified by provider | Feb 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 60569 | CA |
| Physician Assistant, Medical | 363AM0700X | 60569 | 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 | 139 |
|---|---|
| Services billed | 751 across 38 procedure codes |
| Paid by Medicare | $48,931 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,999 · 4,448 30-day fills |
|---|---|
| Patients | 244 |
| Total drug cost | $267,256 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Daniel Ghiyam MD IncSimi Valley, CA · 4 clinicians
Hospital affiliation
- Adventist Health Simi ValleySimi Valley, CA
Industry payments (Open Payments)
- 2025$1,207 · 46 payments from 12 companies
- 2024$1,385 · 49 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $566.19 | 20 |
| Astrazeneca Pharmaceuticals LP | $100.93 | 4 |
| Abbvie Inc. | $96.36 | 5 |
| Merck Sharp & Dohme LLC | $89.54 | 3 |
| Astellas Pharma US Inc | $58.37 | 2 |
What the 2025 payments were for
- Food and Beverage$1,207 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 physician assistants in Simi Valley · All physician assistants in California