Leonard Chuck
Internal Medicine · Alamo, CANPI 1831139385
Payments from drug & device makers
Across 57 payments — averaging $8587.85 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Otsuka Pharmaceutical Development & Commercialization, Inc.$318K
- Janssen Research & Development, LLC$95K
- Novo Nordisk AS$50K
- Sanofi US Services Inc.$11K
- Teva Pharmaceuticals USA, Inc.$9K
- Novartis$6K
- plus $164 from 1 others
Across 1 payment — averaging $4269.86 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.
- Sanofi US Services Inc.$4K
What the payments were for
- Travel & lodging$1,04270%
- Food & beverage$42729%
- Education$151%
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 |
|---|---|---|
| Otsuka Pharmaceutical Development & Commercialization, Inc. | 9 | $317,828 |
| Janssen Research & Development, LLC | 21 | $94,841 |
| Novo Nordisk AS | 14 | $50,492 |
| Sanofi US Services Inc. | 3 | $10,709 |
| Teva Pharmaceuticals USA, Inc. | 2 | $9,102 |
| Novartis | 2 | $6,372 |
| Sanofi-aventis U.S. LLC | 6 | $164 |
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.
- Tresiba$1,222
How this compares
$489,507 in reported general payments places this provider in the 95th percentile of 13,581 internal medicine providers in California.
Other internal medicine in Alamo
- Andrew ChengSouth San Francisco$55.1M
- Joel NeutelTustin$34.9M
- Donald BrandonSan Diego$34M
- William TownerLos Angeles$27.4M
- Rahul AggarwalSan Francisco$24M
- Masoud AzizadNorthridge$21.1M
- Helen StaceyWalnut Creek$20.4M
- Rohit Loombala Jolla$15.1M
- Zeid KayaliColton$14.2M
- Alexandra DrakakiSanta Monica$14.2M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.