Medallion's Derek LoJasmin Kemp Photography Doctors can only practice medicine in states where they’re licensed. Then each insurer they work with needs to verify their credentials. It’s a messy and time-consuming process that costs more than $1 billion each year. Miss a deadline? Forget working with that insurer in that state till you’ve fixed the error. Misplaced a form required for the signoff process? Ditto. Medallion’s Derek Lo figures that his software can cut through the system’s redundanc...