Matthew Nissing
Gastroenterology · Saint Louis, MONPI 1558324418
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 97.8% of the total across 311 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 22 manufacturers reported payments, led by Johnson & Johnson at 24.1% of the total.
Across 311 payments — averaging $15.53 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Johnson & Johnson$1K
- AbbVie$1K
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$679
- Takeda Pharmaceuticals U.S.A., Inc.$537
- Nestle Healthcare Nutrition Inc.$313
- Pfizer$198
- plus $846 from 16 others
What the payments were for
- Food & beverage$4,72398%
- Education$1072%
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.
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 |
|---|---|---|
| Johnson & Johnson(2 entities) | 71 | $1,165 |
| AbbVie | 64 | $1,092 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 45 | $679 |
| Takeda Pharmaceuticals U.S.A., Inc. | 43 | $537 |
| Nestle Healthcare Nutrition Inc. | 19 | $313 |
| Pfizer | 13 | $198 |
| Braintree Laboratories, Inc. | 9 | $117 |
| Regeneron Healthcare Solutions, Inc. | 6 | $116 |
| Ironwood Pharmaceuticals, Inc | 7 | $103 |
| QOL Medical, LLC | 5 | $82 |
| Amgen | 5 | $75 |
| Ferring Pharmaceuticals Inc. | 5 | $72 |
| UCB, Inc. | 4 | $56 |
| Bristol Myers Squibb | 3 | $48 |
| Abbott | 3 | $37 |
| Boehringer Ingelheim | 2 | $32 |
| Ardelyx, Inc. | 2 | $31 |
| Fresenius Kabi USA, LLC | 1 | $19 |
| Esperion Therapeutics, Inc. | 1 | $16 |
| Mylan Institutional Inc. | 1 | $15 |
| Redhill Biopharma Inc. | 1 | $15 |
| GSK | 1 | $12 |
How this compares
$4,830 in reported general payments places this provider in the 70th percentile of 374 gastroenterology providers in Missouri.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Mesalamine | 21 | $5,936 |
| Pantoprazole Sodium | 93 | $1,139 |
| Famotidine | 34 | $300 |
| Omeprazole | 19 | $168 |
Paid to pharmacies, not to this prescriber.
Other gastroenterology in Saint Louis
- Gregory SayukSaint Louis$1.1M
- Katie SchroederSaint Louis$730K
- David AlpersSaint Louis$616K
- Parakkal DeepakSaint Louis$205K
- Mauricio Lisker MelmanSaint Louis$179K
- Matthew CiorbaSaint Louis$156K
- Bruce BaconSaint Louis$138K
- Jeffrey CrippinSaint Louis$120K
- Vladimir KushnirSaint Louis$118K
- Kayci Huff-HardySaint Louis$116K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.