Bydd y gwasanaeth, sy'n cael ei redeg gan Ymddiriedolaeth GIG Gwasanaethau Ambiwlans Cymru, ac sydd ar gael ar-lein yn111.wales.nhs.ukneu dros y ffôn drwy ffonio 111, yn rhoi'r cyngor a'r arweiniad iechyd diweddaraf i bobl ar ba un o wasanaethau’r GIG sy'n iawn iddynt.
The service, which is run by the Welsh Ambulance Services NHS Trust, and can be accessed online at111.wales.nhs.ukor by telephone by calling 111, will give people up-to-date health advice and guidance on which NHS service is right for them.