William Muller
Pediatric Infectious Diseases · Chicago, ILNPI 1790896041
Payments from drug & device makers
Across 726 payments — averaging $8151.07 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Modernatx, Inc.$3.8M
- AstraZeneca$474K
- Astellas Pharma Global Development$354K
- Abbott$292K
- Astrazeneca UK Limited$290K
- Merck$250K
- plus $484K from 12 others
Across 33 payments — averaging $295.43 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.
- Astellas US Technologies$6K
- Astellas Pharma Global Development$4K
What the payments were for
- Consulting fees$42,22974%
- Speaking & faculty fees$2,0004%
- Travel & lodging$11,32920%
- Food & beverage$1,3472%
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 |
|---|---|---|
| Modernatx, Inc. | 191 | $3,772,526 |
| AstraZeneca | 31 | $474,441 |
| Astellas Pharma Global Development | 14 | $353,857 |
| Abbott | 14 | $292,107 |
| Astrazeneca UK Limited | 12 | $290,339 |
| Merck | 107 | $250,416 |
| Paratek Pharmaceuticals, Inc. | 23 | $122,135 |
| Astellas US Technologies | 232 | $74,391 |
| Gilead | 7 | $65,327 |
| Tetraphase Pharmaceuticals, Inc. | 22 | $53,828 |
| Melinta Therapeutics, LLC | 37 | $53,318 |
| Janssen Research & Development, LLC | 5 | $48,593 |
| Genentech, Inc. | 6 | $32,200 |
| BD | 4 | $18,133 |
| Sanofi Pasteur Inc. | 12 | $11,018 |
| Diasorin Inc. | 5 | $3,499 |
| Astellas Pharma US Inc | 3 | $1,451 |
| Novartis | 1 | $99 |
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
$5,917,676 in reported general payments places this provider in the 95th percentile of 29 pediatric infectious diseases providers in Illinois.
See all pediatric infectious diseases providers in Illinois →
Other pediatric infectious diseases in Chicago
- Ellen ChadwickChicago$1.1M
- Tina TanChicago$571K
- Ravi JhaveriChicago$481K
- Ronda OramChicago$357K
- Madan KumarChicago$355K
- Ben KatzChicago$132K
- Ram YogevChicago$123K
- Sameer PatelChicago$74K
- Silvana CarrChicago$28K
- David NguyenChicago$18K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.