ACOs Generate High Interest, But Is Bar Set Too High?
The level of risk associated with forming an accountable care organization is giving pause to a 130-physician multispecialty clinic whose CEO's initial enthusiasm has been tempered. The government just might have a problem on its hands.

It's more than just the risk that is going to make ACOs a hard sell. When you look at the sheer infrastructure requirements, it seems obvious to me that only large, "superstar" organizations will be able to afford to have the behemoth management structure that the regulations seem to require.