John Fung
Transplant Surgery · Chicago, ILNPI 1235293622
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $69,298 of the $94,655 with a category attached, or 73.2%. 19 manufacturers reported payments, led by Merck at 27.1% of the total. Reporting peaked in 2019 at $45,547 and has fallen 78.8% since, to $9,651 in 2025. Among transplant surgery clinicians in IL with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 61 payments — averaging $1551.73 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Merck$26K
- Sanofi-aventis U.S. LLC$22K
- Spark Therapeutics, Inc.$14K
- Organox Ltd$8K
- CSL Behring$7K
- Nobelpharma America, LLC$5K
- plus $13K from 13 others
Across 15 payments — averaging $458,918 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.
- Vertex$6.8M
- Organ Recovery Systems, Inc.$36K
- Takeda Pharmaceuticals U.S.A., Inc.$7K
What the payments were for
- Consulting fees$69,29873%
- Speaking & faculty fees$7,0207%
- Travel & lodging$16,50217%
- Food & beverage$1,8362%
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 |
|---|---|---|
| Merck | 21 | $25,673 |
| Sanofi-aventis U.S. LLC | 3 | $22,066 |
| Spark Therapeutics, Inc. | 11 | $13,887 |
| Organox Ltd | 2 | $8,100 |
| CSL Behring | 5 | $7,278 |
| Nobelpharma America, LLC | 5 | $4,841 |
| Sanofi | 1 | $4,820 |
| GSK | 1 | $3,518 |
| Saol Therapeutics Inc. | 2 | $3,407 |
| BD | 1 | $387 |
| Paragonix Technologies, Inc. | 1 | $201 |
| United Therapeutics Corporation | 1 | $125 |
| Cook Medical LLC | 1 | $115 |
| Boston Scientific | 1 | $95 |
| Medtronic | 1 | $39 |
| Organ Recovery Systems, Inc. | 1 | $34 |
| AstraZeneca | 1 | $29 |
| TELA Bio, Inc. | 1 | $25 |
| Sun Pharmaceutical Industries Inc. | 1 | $17 |
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.
- THYMOGLOBULIN$7,524
- Cytogam$3,407
- SherpaPak$201
- LIVERguard$201
- LUNGguard$201
- BaroGuard$201
- PancreasPak$201
- Cook Medical Biliary$115
How this compares
$94,655 in reported general payments places this provider in the 95th percentile of 52 transplant surgery providers in Illinois.
Other transplant surgery in Chicago
- Piotr WitkowskiChicago$235K
- Vinayak RohanChicago$95K
- Talia BakerChicago$51K
- Joseph LeventhalChicago$25K
- Lloyd BrownChicago$16K
- Daniel Borja CachoChicago$15K
- Oyedolamu OlaitanChicago$11K
- Mario SpaggiariChicago$11K
- Zachary DietchChicago$11K
- Nathalie SelaChicago$9K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.