Lawrence Schiller
Gastroenterology · Dallas, TXNPI 1467412288
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $51,100 of the $66,725 with a category attached, or 76.6%. Salix Pharmaceuticals, A Division Of Bausch Health US, LLC accounts for 79.9% of it on its own, with 18 other manufacturers making up the rest. Reporting peaked in 2019 at $35,742 and has fallen 99.3% since, to $245 in 2025. Among 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 103 payments — averaging $647.82 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$53K
- Ironwood Pharmaceuticals, Inc$5K
- Vertex$4K
- Redhill Biopharma Inc.$3K
- AbbVie$441
- Johnson & Johnson$153
- plus $897 from 13 others
What the payments were for
- Consulting fees$8,90013%
- Speaking & faculty fees$51,10077%
- Travel & lodging$3,8096%
- Food & beverage$2,9164%
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 |
|---|---|---|
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 57 | $53,334 |
| Ironwood Pharmaceuticals, Inc | 1 | $5,150 |
| Vertex | 2 | $3,750 |
| Redhill Biopharma Inc. | 3 | $3,000 |
| AbbVie(2 entities) | 12 | $441 |
| Johnson & Johnson | 2 | $153 |
| QOL Medical, LLC | 1 | $131 |
| Janssen Scientific Affairs, LLC | 1 | $125 |
| Olympus America Inc. | 1 | $120 |
| Takeda Pharmaceuticals U.S.A., Inc. | 6 | $114 |
| UCB, Inc. | 2 | $82 |
| AstraZeneca | 4 | $82 |
| Merck | 5 | $67 |
| Boston Scientific | 1 | $67 |
| Shire North American Group Inc | 1 | $31 |
| Ferring Pharmaceuticals Inc. | 1 | $29 |
| Covidien LP | 1 | $19 |
| Aries Pharmaceuticals, Inc. | 1 | $18 |
| Medtronic | 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
$66,725 in reported general payments places this provider in the 95th percentile of 1,350 gastroenterology providers in Texas.
Other gastroenterology in Dallas
- John FordtranDallas$9.9M
- Michael BrownDallas$5.5M
- Parvez MantryDallas$958K
- Jay HortonDallas$326K
- Jacqueline O LearyDallas$157K
- Sami ArslanlarDallas$142K
- Amit DesaiDallas$71K
- Byron CryerDallas$68K
- Bincy AbrahamHouston$1.6M
- Mazen NoureddinHouston$1.5M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.