Who: Farzad Mostashari, M.D.
Occupation: National Coordinator for Health IT
Twitter handle: @Farzad_ONC
Why you should follow him: Mostashari frequently takes to the Twittersphere to spread his message about the importance of health technology use by both doctors and patients, alike, providing links to relevant articles and studies, and even arguing his points to those who disagree with him. While he doesn't have an official blog, he does make posts to the U.S. Department of Health & Human Services' Health IT Buzz site.