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 23-0017-CHIP Adult Vaccine Attestation submitted to CMS Healthier MS Waiver Annual Post-Award Forum Public Notice for SPA 23-0001 Value-Based Purchasing Intellectual Disabilities/Developmental Disabilities (ID/DD) Waiver Renewal 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