David Huang
Infectious Disease · Houston, TXNPI 1215943865
Payments from drug & device makers
What this record shows
Madrigal Pharmaceuticals accounts for 91.0% of it on its own, with 3 other manufacturers making up the rest.
Across 16 payments — averaging $94.64 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Madrigal Pharmaceuticals$1K
- Ipsen Biopharmaceuticals, Inc$73
- Orphalan Inc$32
- Gilead$30
Across 189 payments — averaging $4667.29 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.
- Madrigal Pharmaceuticals$522K
- Boehringer Ingelheim International GmbH$291K
- Astrazeneca UK Limited$35K
- Boehringer Ingelheim$30K
- Eli Lilly$4K
What the payments were for
- Travel & lodging$83755%
- Food & beverage$67745%
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 |
|---|---|---|
| Madrigal Pharmaceuticals | 11 | $1,379 |
| Ipsen Biopharmaceuticals, Inc | 3 | $73 |
| Orphalan Inc | 1 | $32 |
| Gilead | 1 | $30 |
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.
- REZDIFFRA$143
How this compares
$1,514 in reported general payments places this provider in the 65th percentile of 576 infectious disease providers in Texas.
Other infectious disease in Houston
- Joseph GatheHouston$695K
- Roy ChemalyHouston$686K
- Ben BarnettHouston$424K
- Amar SafdarHouston$284K
- Luis OstroskyHouston$173K
- Richard HamillHouston$137K
- Karen VigilHouston$91K
- John RexHouston$63K
- Pablo OkhuysenHouston$57K
- Rodrigo HasbunHouston$51K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.