Peikes D, Chen A, Schore J, Brown R. Effects of Care Coordination on Hospitalization, Quality of Care, and Health Care Expenditures Among Medicare Beneficiaries. JAMA. 2009;301(6). Http://jama.jamanetwork.com/article.aspx?articleid=183370 Accessed 7/9/14. Medicare expenditures of patients with chronic illnesses might be reduced through improvements in care, patient adherence, and communication.