Leon Robison
Infectious Disease · Chesterfield, MONPI 1265547038
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 98.9% of the total across 90 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 18 manufacturers reported payments, led by Viiv Healthcare Company at 32.8% of the total. Reporting peaked in 2019 at $1,040 and has fallen 96.7% since, to $34 in 2024.
Across 90 payments — averaging $12.94 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Viiv Healthcare Company$382
- Merck$224
- Johnson & Johnson$142
- Gilead$57
- Amgen$49
- Mylan Institutional Inc.$43
- plus $268 from 12 others
What the payments were for
- Food & beverage$1,15299%
- Education$131%
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 |
|---|---|---|
| Viiv Healthcare Company | 35 | $382 |
| Merck | 18 | $224 |
| Johnson & Johnson | 11 | $142 |
| Gilead | 3 | $57 |
| Amgen(2 entities) | 3 | $49 |
| Mylan Institutional Inc. | 2 | $43 |
| Pfizer | 2 | $34 |
| Paratek Pharmaceuticals, Inc. | 2 | $30 |
| AbbVie(2 entities) | 2 | $29 |
| Sanofi Pasteur Inc. | 2 | $28 |
| Otsuka America Pharmaceutical, Inc. | 2 | $25 |
| Cumberland Pharmaceuticals, Inc. | 2 | $24 |
| UCB, Inc. | 1 | $21 |
| Fresenius USA Marketing, Inc. | 1 | $17 |
| Sanofi | 1 | $16 |
| Daiichi Sankyo Inc. | 1 | $15 |
| E.r. Squibb & Sons, L.L.C. | 1 | $15 |
| OPKO Pharmaceuticals, LLC | 1 | $14 |
How this compares
$1,164 in reported general payments places this provider in the 70th percentile of 177 infectious disease providers in Missouri.
Other infectious disease in Chesterfield
- Nirmol PhilipChesterfield$31K
- Matthew GermanChesterfield$16K
- John CampbellChesterfield$11K
- Joseph FritzChesterfield$4K
- David McCraryChesterfield$3K
- Robert BelsheSaint Louis$382K
- Erik DubberkeSaint Louis$144K
- Rupa PatelSaint Louis$96K
- Michael DiamondSaint Louis$44K
- Andrej SpecSaint Louis$26K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.