Robert Weaver
Medical Oncology · Houston, TXNPI 1720395064
Payments from drug & device makers
Across 43 payments — averaging $23,922 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Mallinckrodt LLC$262K
- Mylan Pharmaceuticals Inc.$219K
- Apotex Inc.$207K
- BD$204K
- GSK$74K
- DPT Laboratories, Ltd.$63K
- plus $52 from 1 others
What the payments were for
- Food & beverage$52100%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Mallinckrodt LLC | 6 | $262,438 |
| Mylan Pharmaceuticals Inc. | 3 | $218,780 |
| Apotex Inc. | 1 | $206,620 |
| BD | 4 | $204,429 |
| GSK | 25 | $73,703 |
| DPT Laboratories, Ltd. | 2 | $62,604 |
| Beigene USA, Inc. | 2 | $52 |
How this compares
$1,028,626 in reported general payments places this provider in the 70th percentile of 495 medical oncology providers in Texas.
Other medical oncology in Houston
- Hagop KantarjianHouston$100.5M
- Timothy YapHouston$56.7M
- Yasir ElaminHouston$41.3M
- David HongHouston$31.6M
- Guillermo Garcia-ManeroHouston$31.6M
- Jason WestinHouston$30.8M
- Lucia MasarovaHouston$29.7M
- Jordi Rodon AhnertHouston$28.1M
- Sarina Piha PaulHouston$26M
- Jenny ChangHouston$17.8M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.