Renames Medicaid "private duty nursing services" as "continuous skilled nursing services," requires the Secretary to update federal rules and convene a working group to develop national quality standards, and directs updates to Home and Community-Based Services (HCBS) waiver definitions and quality measures. The law sets firm deadlines for rulemaking, working-group convening, publication of standards, and regulatory updates—generally within 180 days to 18 months of enactment—and requires that continuous skilled nursing for certain complex-care patients be provided by a licensed nurse.