Answer simple questions online to win cash or gift cards. Each year, some physicians get hundreds of dollars in monetary rewards from paid medical surveys.
Doctors participate in medical surveys not just to earn money, but also to participate in market research that might affect how medications and medical equipment are made and sold, perhaps leading to product or process improvement.
Top Medical Surveys for doctors:
All Global Circle.
Curizon
InCrowd.
MD for Lives.
M3 Global research.
ZoomRx.
GLG, etc.