Steward is among the nation#s largest and most successful accountable care organizations (ACO), with more than 5,500 providers and 43,000 health care professionals who care for 12.3 million patients a year through a closely integrated network of hospitals, multispecialty medical groups, urgent care centers, skilled nursing facilities and behavioral health centers. One that provides our patients better, more proactive care at a sustainable cost, our providers unrivaled coordination of care, and our communities greater prosperity and stability.