Karl Lewis
Medical Oncology · Aurora, CONPI 1548350127
Payments from drug & device makers
Across 988 payments — averaging $12,502 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Genentech, Inc.$2.7M
- Alkermes, Inc.$2.2M
- Merck$2M
- E.r. Squibb & Sons, L.L.C.$1.3M
- Regeneron$1.3M
- Array Biopharma Inc$686K
- plus $2.3M from 19 others
Across 227 payments — averaging $200.04 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.
- Regeneron$24K
- Pfizer$11K
- F. Hoffmann-la Roche AG$11K
What the payments were for
- Consulting fees$44,91973%
- Speaking & faculty fees$10,44017%
- Travel & lodging$4,7458%
- Food & beverage$1,0792%
- Education$5641%
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 |
|---|---|---|
| Genentech, Inc. | 85 | $2,660,513 |
| Alkermes, Inc. | 94 | $2,201,009 |
| Merck | 147 | $2,002,497 |
| E.r. Squibb & Sons, L.L.C. | 24 | $1,276,053 |
| Regeneron | 190 | $1,264,067 |
| Array Biopharma Inc | 83 | $685,575 |
| Incyte Corporation | 43 | $518,875 |
| Amgen | 11 | $499,700 |
| Seagen Inc. | 131 | $403,244 |
| Modernatx, Inc. | 17 | $231,387 |
| Novartis | 5 | $224,170 |
| Immunocore Limited | 19 | $80,299 |
| Pfizer | 1 | $76,059 |
| GSK | 9 | $62,361 |
| Eisai Inc. | 88 | $57,518 |
| EMD Serono, Inc. | 16 | $56,764 |
| Janssen Research & Development, LLC | 2 | $15,808 |
| Tesaro, Inc. | 6 | $11,356 |
| Karyopharm Therapeutics Inc. | 1 | $10,000 |
| F. Hoffmann-la Roche AG | 5 | $9,180 |
| Regeneron Healthcare Solutions, Inc. | 1 | $2,625 |
| Genentech USA, Inc. | 1 | $1,980 |
| Actelion Pharmaceuticals, Ltd | 7 | $794 |
| Roche Products Limited | 1 | $14 |
| Davol Inc. | 1 | $13 |
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
$12,351,861 in reported general payments places this provider in the 95th percentile of 96 medical oncology providers in Colorado.
Other medical oncology in Aurora
- Christopher LieuAurora$8M
- David CamidgeAurora$7.3M
- Theresa MedinaAurora$7M
- Wells MessersmithAurora$6.3M
- Antonio JimenoAurora$5.6M
- Elizabeth KesslerAurora$5.1M
- Sarah DavisAurora$3.9M
- Sunnie KimAurora$3.9M
- Peter KabosAurora$3.5M
- Robert LentzAurora$3.4M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.