Siavosh Vakilian, MD
NPI 1427456151ActiveIndividual· Radiology, Radiation Oncology· San Diego, CA
Radiology, Radiation Oncology (MD) with Genesis Healthcare Partners PC, practicing in San Diego, California. 208 Medicare patients in 2024, $672,037 paid; nearly all of their 864 Part D prescriptions were generic (91%). Janssen Biotech, Inc. was the largest of 8 companies reporting payments in 2025, $560.16 in all, mostly food and beverage. Lists Sharp Coronado Hospital and Hlthcr Ctr as a hospital affiliation.
Overview
| NPI | 1427456151 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 11, 2014 |
| Last updated in NPPES | Jun 1, 2021 |
| Certified by provider | Jun 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A133482 | 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 - Radiation Oncology (AZ); Practitioner - Radiation Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 208 |
|---|---|
| Services billed | 2,486 across 33 procedure codes |
| Paid by Medicare | $672,037 |
Part D prescriptions in 2024
| Prescriptions (claims) | 864 · 1,147 30-day fills |
|---|---|
| Patients | 179 |
| Total drug cost | $88,131 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- Genesis Healthcare Partners PCSan Francisco, CA · 228 clinicians
Hospital affiliation
- Sharp Coronado Hospital and Hlthcr CtrCoronado, CA
Industry payments (Open Payments)
- 2025$560.16 · 13 payments from 8 companies
- 2024$245.12 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $150.32 | 2 |
| Blue Earth Diagnostics | $121.87 | 4 |
| Astellas Pharma US Inc | $118.81 | 1 |
| Progenics Pharmaceuticals, Inc. | $47.58 | 2 |
| Teleflex LLC | $47.06 | 1 |
What the 2025 payments were for
- Food and Beverage$560.16 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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