In efforts to improve quality of care and lower health care costs, Aetna and the Connecticut State Medical Society Independent Practice Association (CSMS-IPA) announced on March 13, 2012 in the New York Times that they are designing a program based on the collaborative care model for its Medicare Advantage members. Nurse case managers and physicians will collaborate in order to improve quality of services and provide better care management to this population. Quality and efficiency measures in various clinical areas will be used to monitor improvements in adherence to best practices and tr