Felix Feng
Radiation Oncology · San Francisco, CANPI 1497874028
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $93,568 of the $98,685 with a category attached, or 94.8%. 18 manufacturers reported payments, led by Siemens Medical Solutions USA, Inc. at 26.3% of the total. Reporting peaked in 2021 at $34,981 and has fallen 86.7% since, to $4,670 in 2024. Among radiation oncology clinicians in CA with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 61 payments — averaging $1617.78 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Siemens Medical Solutions USA, Inc.$26K
- Janssen Research & Development, LLC$17K
- E.r. Squibb & Sons, L.L.C.$16K
- Janssen Global Services, LLC$12K
- Blue Earth Diagnostics$4K
- Bristol Myers Squibb$4K
- plus $20K from 12 others
Across 23 payments — averaging $73,694 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Janssen Research & Development, LLC$1.7M
- Novartis$8K
What the payments were for
- Consulting fees$93,56895%
- Speaking & faculty fees$2,4502%
- Grants$1,0001%
- Travel & lodging$3820%
- Food & beverage$1,2851%
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | 3 | $25,920 |
| Janssen Research & Development, LLC | 21 | $17,163 |
| E.r. Squibb & Sons, L.L.C. | 6 | $16,119 |
| Janssen Global Services, LLC | 6 | $11,530 |
| Blue Earth Diagnostics | 4 | $4,334 |
| Bristol Myers Squibb | 3 | $3,726 |
| Janssen Scientific Affairs, LLC | 5 | $3,472 |
| Bayer | 2 | $3,016 |
| Astellas Pharma Global Development | 1 | $2,480 |
| Novartis | 1 | $2,465 |
| Sanofi | 1 | $2,409 |
| Astellas Pharma US Inc | 1 | $2,067 |
| Foundation Medicine, Inc. | 1 | $1,750 |
| Genentech, Inc. | 1 | $1,000 |
| Genentech USA, Inc. | 1 | $963 |
| Pfizer | 2 | $208 |
| Sumitomo Pharma America, Inc. | 1 | $35 |
| Amgen | 1 | $28 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
How this compares
$98,685 in reported general payments places this provider in the 95th percentile of 627 radiation oncology providers in California.
Other radiation oncology in San Francisco
- David KornguthSan Francisco$46K
- Steve BraunsteinSan Francisco$41K
- I Chow HsuSan Francisco$13K
- Rakesh PatelLos Gatos$1.3M
- Amir LavafPalm Springs$411K
- Albert ChangLos Angeles$290K
- Arya AminiDuarte$265K
- Rizwan NuraniApple Valley$220K
- Drew MoghanakiLos Angeles$183K
- Jyoti MayadevSan Diego$170K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.