Ellen Chadwick
Pediatric Infectious Diseases · Chicago, ILNPI 1669431078
Payments from drug & device makers
What this record shows
That places this record below the midpoint for pediatric infectious diseases clinicians in IL, where the typical reported total is $288.
No general payments reported
No drug or device maker reported general payments to this provider for 2019–2025. That is a common and unremarkable result.
Across 18 payments — averaging $61,636 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.
- Merck$830K
- Viiv Healthcare Company$279K
How this compares
$0 in reported general payments places this provider in the 10th percentile of 29 pediatric infectious diseases providers in Illinois.
See all pediatric infectious diseases providers in Illinois →
Other pediatric infectious diseases in Chicago
- Tina TanChicago$172K
- Ben KatzChicago$113K
- Ram YogevChicago$99K
- Ravi JhaveriChicago$73K
- William MullerChicago$57K
- David NguyenChicago$18K
- Stanford ShulmanChicago$10K
- Madan KumarChicago$6K
- Colleen NashChicago$400
- Julia RosebushChicago$309
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.