Mike Varshavski, MD - Forbes 400 List Maker!

Mike became famous for his use of social media to offer health advice.

The online physician's follower count on Instagram is 4.4 million, and on YouTube it is 10.3 million.

The physician is in the process of making a career change, as he is set to record his first professional boxing match this weekend.

Anderson Silva will face Jake Paul on the undercard.

Former fighter Nick Diaz joins Chris Avilam in a battle, each a four-round cruiserweight bout.

Varshavii has become a celebrity, even being named the Sexiest Doctor Alive by People magazine in 2015.

Mike is worth an estimated $10 million. He is widely known despite the success of his online channel.