Eugene Greenberg
Gastroenterology · Urbana, ILNPI 1396769584
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $4,410 of the $5,429 with a category attached, or 81.2%. Pfizer accounts for 92.0% of it on its own, with 7 other manufacturers making up the rest. Reporting peaked in 2019 at $5,156 and has fallen 97.6% since, to $122 in 2023.
Across 20 payments — averaging $271.46 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Pfizer$5K
- AbbVie$315
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$30
- Merck$26
- UCB, Inc.$24
- Ipsen Biopharmaceuticals, Inc$15
- plus $24 from 2 others
Across 123 payments — averaging $3084.82 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- AbbVie$273K
- Bristol Myers Squibb$85K
- Roche Products Limited$12K
- Takeda Pharmaceuticals U.S.A., Inc.$8K
- Amgen$750
What the payments were for
- Consulting fees$4,41081%
- Travel & lodging$4228%
- Food & beverage$58311%
- Education$150%
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 |
|---|---|---|
| Pfizer | 4 | $4,994 |
| AbbVie | 9 | $315 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 2 | $30 |
| Merck | 1 | $26 |
| UCB, Inc. | 1 | $24 |
| Ipsen Biopharmaceuticals, Inc | 1 | $15 |
| Bristol Myers Squibb | 1 | $13 |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $11 |
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
$5,429 in reported general payments places this provider in the 75th percentile of 787 gastroenterology providers in Illinois.
Other gastroenterology in Urbana
- David RubinChicago$1.5M
- Stephen HanauerChicago$1.4M
- Steven FlammChicago$1.3M
- Amar NaikDes Plaines$1.2M
- Darren BrennerChicago$1.1M
- Jonathan RosenbergGurnee$1M
- Daksesh PatelEvanston$745K
- Russell CohenChicago$690K
- Parambir DulaiChicago$668K
- Christopher ChapmanChicago$645K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.