At first blush, it was just another contract announcement: Athenahealth landed Boston-based Caritas Christi Health System as a customer for its AthenaClinicals hosted EMR service. But it is significant because of its size: 500 physicians in the system-owned physician practice will get AthenaClinicals, plus the EMR will become another option for the 1,200 affiliated providers in Caritas Christi's network. For the latter group, the Athenahealth product could supersede the eClinicalWorks EMR already in place at many practices. Article