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 Public Notice of Annual Post-Award Forum for 1115(a) Healthier Mississippi Waiver MS SPA 23-0007 Outpatient Prospective Payment System (OPPS) submitted to CMS Public Notice for SPA 25-0001 Incarcerated Youth Public Notice for Healthier MS Waiver SPA 18-0009 Indian Health Services Encounter Limit approved by CMS Residential Life: Assisted Living Waiver serves unique role in the care of Mississippians