Our organization sponsors a self-insured health plan. This link leads 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 access and analyze data more easily.  https://mrf.healthcarebluebook.com/TrustmarkHB