sentences:  Thirteen primary care sites, 66 providers, 39 Family Medicine residents, 68,000 patients (46,000 covered lives), and all Rhode Island payers are participating in the demonstration.Further, its selection to participate in the Centers for Medicare and Medicaid Services' Multi-Payer Advanced Primary Care Practice demonstration, CSI-RI is one few medical home demonstrations in the nation with virtually 100% payer participation.Since the start of the demonstration, CSI-RI sites have implemented a series of delivery system reforms in their practices, aimed at becoming patient-centered medical homes, and in turn receive a supplemental per-member-per-month payment from all of Rhode Island's insurers.