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The Medicare Shared Savings Program has performed considerably below the financial estimates from the Congressional Budget Office made in 2010, when the MSSP was enacted as part of the Affordable Care Act, according to a new analysis from Avalere.
This has raised questions about the long-term financial success of Medicare’s largest alternative payment model. The MSSP has grown from 27 ACO participants in 2012 to 561 in 2018. Most MSSP accountable care organizations continue to select the upside-only Track 1, which does not require participants to repay the Centers for Medicare and Medicaid Services for spending above their target.