Paul Hsieh, MD writes:

Under the ACO system, patients basically become cost centers for hospitals and doctors. ObamaCare legislation states an ACO patient should be free to see whatever doctor he wishes.  … If his patient has chest pain and needs to see a cardiologist, should his physician recommend the better but more-expensive expert across town — or steer him towards the cheaper but not-quite-as-good cardiologist in the same ACO?

Read more at: Pajamas Media » How ObamaCare Plays Games with Your Life.