Market Intelligence Report |In 2013, an estimated 6.2 million consumers (4,238,546 children and 1,916,089 adults) were diagnosed with I/DD. Of the estimated 6.2 million consumers with I/DD, about 12% (758,209) receive LTSS through Medicaid. The I/DD population receives two, often separate sets of services. These services are generally provided though different delivery systems: Medical Services: The medical delivery system is responsible for providing physical health, behavioral health, and pharmacy services. These services can be delivered via the fee-for-service (FFS) delivery system, a primary care case management (PCCM) delivery system . . .