The hospitals are registered with Healthcare Inspectorate Wales (HIW) and the care homes are registered with Care and Social Services Inspectorate Wales (CSSIW).
Mae’r ysbytai wedi’u cofrestru gydag Arolygiaeth Gofal Iechyd Cymru (AGIC) ac mae’r cartrefi gofal wedi’u cofrestru gydag Arolygiaeth Gofal a Gwasanaethau Cymdeithasol Cymru (AGGCC).