HMO's data-driven cardiac network brings new meaning to provider competition.

Ensuring quality of cardiac care: Providers hoping to join Anthem Blue Cross Blue Shield's cardiac care network not only had to pass a stringent and complicated data-driven scorecard process, but once they were in they had to collect data on 400 different elements on CABG and PTCA. Here's how the data-intensive program works, plus some useful cardiology benchmarks on performance, complication rates, mortality, and more.