Stephan Rogalla
Gastroenterology · Stanford, CANPI 1831678689
Payments from drug & device makers
What this record shows
That places this record below the midpoint for gastroenterology clinicians in CA, where the typical reported total is $1,790.
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.
$791,372in research payments, 2019–2025
Across 14 payments — averaging $56,527 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.
- Genentech, Inc.$649K
- Gilead$143K
How this compares
$0 in reported general payments places this provider in the 0th percentile of 1,885 gastroenterology providers in California.
Other gastroenterology in Stanford
- Joo HwangStanford$1M
- Shai FriedlandStanford$452K
- Mike WeiStanford$382K
- Margaret ZhouStanford$288K
- Andrew LiStanford$217K
- Walter ParkStanford$216K
- Paul KwoStanford$150K
- Bennett RothLos Angeles$2.8M
- Douglas NguyenMission Viejo$2M
- Sammy SaabLos Angeles$1.9M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.