Stephen Flach
Internal Medicine · Madison, WINPI 1861683088
Payments from drug & device makers
What this record shows
That places this record below the midpoint for internal medicine clinicians in WI, where the typical reported total is $18.
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.
$1,629,722in research payments, 2019–2025
Across 29 payments — averaging $56,197 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.
- E.r. Squibb & Sons, L.L.C.$966K
- AbbVie$641K
- Biomarin Pharmaceutical Inc.$19K
- Amgen$3K
How this compares
$0 in reported general payments places this provider in the 40th percentile of 1,411 internal medicine providers in Wisconsin.
Other internal medicine in Madison
- Andrew NickelMadison$32K
- James DavisMadison$23K
- Amit ChitnisMadison$11K
- Kenneth CogginsMadison$10K
- Karyn BaumMadison$4K
- Jeremiah DeptaMilwaukee$723K
- James KuplicSheboygan$201K
- Erik StilpMilwaukee$116K
- Christopher WeberGermantown$113K
- Alejandro EismaWinnebago$84K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.