Online tools to shop for doctors snag on health care’s complexity
Castlight's problems are echoed elsewhere. "You can't save money if people aren't shopping," said Mitch Rothschild, the executive chairman of a competitor, Vitals. His company offers tools that let workers earn cash when they select a less expensive option for a service like an M.R.I. "It's a heavy lift," he said. "It really requires behavioral change...