Gayathri Sundaresan
Internal Medicine · Chicago, ILNPI 1114986650
Payments from drug & device makers
Across 156 payments — averaging $24.84 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Boehringer Ingelheim$1K
- Lilly USA, LLC$480
- Merck$356
- Novo Nordisk$334
- Sanofi-aventis U.S. LLC$328
- Sanofi US Services Inc.$325
- plus $1K from 14 others
What the payments were for
- Speaking & faculty fees$57515%
- Food & beverage$3,29285%
- Education$80%
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 |
|---|---|---|
| Boehringer Ingelheim | 48 | $1,023 |
| Lilly USA, LLC | 25 | $480 |
| Merck | 19 | $356 |
| Novo Nordisk | 15 | $334 |
| Sanofi-aventis U.S. LLC | 6 | $328 |
| Sanofi US Services Inc. | 1 | $325 |
| Gilead | 3 | $174 |
| Novartis | 8 | $166 |
| GSK | 2 | $139 |
| E.r. Squibb & Sons, L.L.C. | 7 | $126 |
| AstraZeneca | 6 | $103 |
| Amgen | 4 | $75 |
| Exact Sciences | 3 | $58 |
| Abbott | 3 | $57 |
| Dexcom, Inc. | 1 | $45 |
| Bayer | 1 | $24 |
| Sanofi Pasteur Inc. | 1 | $21 |
| Vyera Pharmaceuticals, LLC | 1 | $16 |
| Boston Scientific | 1 | $14 |
| AbbVie | 1 | $13 |
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.
- SOLIQUA 100/33$325
- NO PRODUCT DISCUSSED$250
- AREXVY$125
- Ozempic$122
- Livdelzi$119
- STEGLATRO$112
How this compares
$3,875 in reported general payments places this provider in the 85th percentile of 5,182 internal medicine providers in Illinois.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| EliquisApixaban | 11 | $6,386 |
| Metoprolol Succinate | 28 | $338 |
| Atorvastatin Calcium | 40 | $335 |
| Losartan Potassium | 41 | $311 |
| Albuterol Sulfate HfaAlbuterol Sulfate | 11 | $291 |
| Levothyroxine Sodium | 21 | $280 |
| Amlodipine Besylate | 26 | $188 |
| Fluticasone Propionate | 16 | $169 |
| Tramadol Hcl | 12 | $24 |
Paid to pharmacies, not to this prescriber.
Other internal medicine in Chicago
- Dennis LevinsonChicago$25.3M
- Danny SugimotoChicago$4M
- Peter O DonnellChicago$3.9M
- Daniel CatenacciChicago$3.5M
- Patricia WalshChicago$2.1M
- Merle DiamondChicago$1.7M
- Mohammed KassemChicago$1.3M
- David BakerChicago$1M
- Azazuddin AhmedChicago$912K
- Daniel BergerChicago$861K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.