The Centers for Medicare ad Medicaid Services (CMS) has approved the Intellectual Disabilities/Developmental Disabilities (ID/DD) waiver effective July 1, 2018. Posted byMatt Westerfield September 7, 2018 0 Share: Related Articles MS SPA 23-0032 Ambulatory Surgical Centers (ASC) Dental Services submitted to CMS Public Notice for Healthier MS Waiver UnitedHealthcare to exit Mississippi Federal Health Insurance Exchange MS SPA 23-0032 Ambulatory Surgical Centers (ASC) Dental Services approved by CMS SPA 18-0009 Indian Health Services Encounter Limit approved by CMS Residential Life: Assisted Living Waiver serves unique role in the care of Mississippians