Correction: An earlier version of this story listed the U.S. Chamber of Commerce as signing the letter to Congress. They have not signed the letter. Employers, consumer and insurers have joined forces to push for legislation that would limit surprise billing by setting a low benchmark for out-of-network payments to providers. The coalition wants Congress to prevent out-of-network providers from profiting off surprise medical bills and plans to send a letter outlining its proposals to congressional leaders...