Transparency in Coverage Rule
The following links lead to the machine-readable files that are made available in response to the federal Transparency in Coverage Rule and includes negotiated service rates and out-of-network allowed amounts between health plans and healthcare providers. The machine-readable files are formatted to allow researchers, regulators, and application developers to more easily access and analyze data.
https://healthy.kaiserpermanente.org/southern-california/front-door/machine-readable
https://www.sutterhealthplus.org/healthcare-cost-transparency