Daniel Leung
Pediatric Gastroenterology · Houston, TXNPI 1861699654
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $24,100 of the $30,551 with a category attached, or 78.9%. 6 manufacturers reported payments, led by Mallinckrodt Hospital Products Inc. at 30.1% of the total. Among pediatric gastroenterology clinicians in TX 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 26 payments — averaging $1175.04 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Mallinckrodt Hospital Products Inc.$9K
- Gilead$9K
- Vertex$5K
- Merck$4K
- Astrazeneca UK Limited$4K
- Albireo Pharma, Inc.$26
Across 79 payments — averaging $4286.60 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.
- Gilead$197K
- AbbVie$141K
- Genentech, Inc.$1K
What the payments were for
- Consulting fees$24,10079%
- Speaking & faculty fees$4,97316%
- Travel & lodging$1,1524%
- Food & beverage$3261%
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 |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | 1 | $9,200 |
| Gilead | 18 | $8,652 |
| Vertex | 1 | $4,973 |
| Merck | 3 | $4,125 |
| Astrazeneca UK Limited | 2 | $3,575 |
| Albireo Pharma, Inc. | 1 | $26 |
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
$30,551 in reported general payments places this provider in the 95th percentile of 159 pediatric gastroenterology providers in Texas.
Other pediatric gastroenterology in Houston
- Wenly RuanHouston$155K
- Stephanie AbramsHouston$94K
- Ruben QuirosHouston$32K
- Faith IhekweazuHouston$21K
- Bruno ChumpitaziHouston$18K
- Kathleen MotilHouston$17K
- Sanjiv HarpavatHouston$12K
- Stanton MalowitzHouston$2K
- Naveen MittalDallas$182K
- Amal AqulDallas$99K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.