Donald Gerhardt
Gastroenterology · Columbia, MONPI 1619921673
Payments from drug & device makers
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 55th 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$776K
- Michael WilliamsColumbia$503K
- Yezaz GhouriColumbia$71K
- Jessica StoutColumbia$35K
- Bradley FreilichKansas City$4.5M
- Parakkal DeepakSaint Louis$2M
- Steven FernSullivan$1.4M
- Gregory SayukSaint Louis$1.1M
- Katie SchroederSaint Louis$920K
- Kevin KorenblatSaint Louis$857K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.