The ACA has been successful at reducing the number of uninsured in this country, but it has fared less well at fostering innovative approaches to delivering health care. Evergreen is a notable exception to the rule. It provides the elements of traditional insurance but also a heavy emphasis on evidence-based, patient-centered primary care and health and wellness coaching. It runs its own network of primary care offices where doctors' limited caseloads allow them to spend far longer with patients than is typical, offering the opportunity for more prevention and better coordination of care. A handful of other co-ops sprung up around the country under the ACA, but most have already failed. Evergreen, though, is growing rapidly; as of April, it had nearly 40,000 members, more than triple its enrollment at the end of 2014.