The 15 Richest Doctors In The World

5. Gary Michelson: $1.3 billion

Gary Michelson is an orthopedic spinal surgeon. Early in his career he was frustrated with the low success rates of spinal surgeries. So he developed his own surgical tools, implants, and procedures that drastically improved the success of spinal surgeries. His devices have been implanted in hundreds of thousands of patients around the world. He has more than 250 U.S. patents and 950 worldwide patents.