The Trust also hosts the 111 service, which is a combination of NHS Direct Wales and the call handling and triage of the GP out-of-hours services.
Mae'r Ymddiriedolaeth yn cynnal gwasanaeth 111, sy'n gyfuniad o Galw Iechyd Cymru a gwasanaeth tu allan i oriau arferol trin galwadau a brysbennu Meddygon Teulu.