Congressional Budget Office Cost Estimate: H.R. 5800, the Ban Surprise Billing Act [open pdf - 438KB]
This is the Congressional Budget Cost Estimate as ordered reported by the House Committee on Education and Labor on February 11, 2020. From the Document: "H.R. 5800 would establish patient protections from surprise medical billing, and in certain circumstances would require insurers to reimburse out-of-network providers on the basis of the median payment rate for in-network care. The bill also would establish a process for health care providers and insurers to settle disputes over out-of-network bills greater than $750."
Congressional Budget Office: http://www.cbo.gov/