Free images results:

Doctors pictures, stock photos and images


Throat Stock Photography
The Syringe Royalty Free Stock Photo
Author: Vally
Debate Stock Photos
Author: Prometeus
Doctor-F Royalty Free Stock Images
Author: Masa1

Also, here are some commercial RF-licensed images that match your search criteria:  
Doctors Stock Images
Author: Kurhan
Doctors Stock Photo
Author: Kurhan

Explore more commercial options: More Doctors Stock Illustrations & Vectors | More Doctors Stock Video Footage