The 15 Richest Doctors In The World

2. Thomas Frist Jr.: $8.1 billion

Thomas Frist Jr. started his career working as an Air Force surgeon before going into business with his father. Together they formed a hospital conglomerate, which is currently in the business of buying and selling hospitals. The company makes over $29 billion a year, which puts Thomas Frist Jr. at a net worth of about $8 billion. He has been one of the biggest beneficiaries of the Affordable Care Act.