The benefits may run deeper than the altruistic satisfaction of saving lives if you are a top ranked doctor. Icahn School of Medicine at Mount Sinai in New York, N.Y. has given six- and seven-figure mortgages to at least three of its top physicians, offering interest free mortgages to help attract them to the school, Daily New America reported. 

Furthermore, the doctors don't appear to be taking on that much risk, in terms of home price depreciation. However, when they sell the home, the profit is all theirs.