Donald Gerhardt
Gastroenterology · Columbia, MONPI 1619921673
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 93.0% of the total across 169 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 21 manufacturers reported payments, led by Johnson & Johnson at 34.6% of the total. Reporting peaked in 2022 at $1,090 and has fallen 98.1% since, to $20 in 2024.
Across 169 payments — averaging $17.47 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Johnson & Johnson$1K
- AbbVie$653
- Takeda Pharmaceuticals U.S.A., Inc.$192
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$132
- Nestle Healthcare Nutrition Inc.$115
- Pfizer$113
- plus $724 from 15 others
What the payments were for
- Food & beverage$2,74593%
- Education$1957%
- Entertainment$120%
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) | 58 | $1,023 |
| AbbVie(2 entities) | 40 | $653 |
| Takeda Pharmaceuticals U.S.A., Inc. | 11 | $192 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 8 | $132 |
| Nestle Healthcare Nutrition Inc. | 8 | $115 |
| Pfizer | 7 | $113 |
| Merck | 6 | $105 |
| Mauna Kea Technologies, Inc. | 4 | $101 |
| Medtronic(2 entities) | 2 | $100 |
| Bristol Myers Squibb | 5 | $79 |
| Amgen | 3 | $70 |
| Intercept Pharmaceuticals, Inc. | 4 | $59 |
| QOL Medical, LLC | 4 | $43 |
| Ironwood Pharmaceuticals, Inc | 2 | $39 |
| Pinnacle Biologics, Inc | 1 | $23 |
| Sanofi | 1 | $23 |
| Braintree Laboratories, Inc. | 1 | $19 |
| Organon | 1 | $18 |
| Fresenius Kabi USA, LLC | 1 | $17 |
| GSK | 1 | $13 |
| Alfasigma USA, Inc. | 1 | $13 |
How this compares
$2,952 in reported general payments places this provider in the 60th percentile of 374 gastroenterology providers in Missouri.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Omeprazole | 17 | $246 |
Paid to pharmacies, not to this prescriber.
Other gastroenterology in Columbia
- Bradley AndersonColumbia$194K
- Michael WilliamsColumbia$52K
- Yezaz GhouriColumbia$32K
- Gregory SayukSaint Louis$1.1M
- Katie SchroederSaint Louis$730K
- David AlpersSaint Louis$616K
- Kamran QureshiLake St Louis$279K
- Laith Al MomaniKansas City$249K
- Ahmed SaeedKansas City$246K
- Parakkal DeepakSaint Louis$205K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.