This study provides the cost benefits for team members other than providers to deliver chronic care management services. To make the business case, the study suggests that practices should have at least 130 Medicare patients. Basu S, Phillips RS, Bitton A, Song Z, Landon BE. Medicare Chronic Care Management Payments and Financial Returns to Primary Care Practices: A Modeling Study. Ann Intern Med. 2015 Sep 22. doi: 10.7326/M14-2677