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20 Richest Doctors in the United States

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3. Philip Frost
Philip Frost is a doctor that has never technically practiced medicine. He received a Doctorate in Medicine, but decided to teach dermatology instead. Frost devised a disposable device to help make biopsies easier and he recognized the great potential that it had in both the exam room and the marketplace. He partnered with Michael Jaharis to build a company around it. Frost continued in the lab and added new patents and they both became very rich when they sold their company, Key Pharmaceuticals to Schering-Plough in 1986. Frost then invested in a chemicals firm and founded a pharmaceutical company, Ivax, which he later sold for almost $8 billion to Teva Pharmaceuticals in 2005. Currently, he is the chairman and CEO of Opko Health, a publicly traded pharmaceutical and diagnostics company that is based in Miami. He has a net worth of approximately $4 billion at this time.

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