Surprise billing, or the practice of charging patients for care that is more expensive than anticipated or not covered by their insurance, has received a flood of attention in the past year. (Photo: Shutterstock)

President Donald Trump on Wednesday instructed administration officials to investigate how to prevent surprise medical bills, broadening his focus on drug prices to include other issues of price transparency in health care.

Flanked by patients and other guests invited to the White House to share their stories of unexpected and outrageous bills, Trump tasked his health secretary, Alex Azar, and labor secretary, Alex Acosta, with working on a solution, several attendees said.

“The pricing is hurting patients, and we've stopped a lot of it, but we're going to stop all of it,” Trump said during a roundtable discussion when reporters were briefly allowed into the otherwise closed-door meeting.