Mae Mark Williams AS a'r Democratiaid Rhyddfrydol Cymraeg yn ymladd i amddiffyn darpariaeth gwasanaethau iechyd presennol yma yng Ngheredigion.
Arwyddwch y deiseb i dangos eich cefnogaeth.
Mark Williams MP and the Welsh Liberal Democrats are fighting to defend existing health service provision across Ceredigion.
Please sign the petition to show your support