Looking for information please. I need to do a Antigen Rapid Test (ART) prior to my departure to Singapore - not self administered. Does anyone know a clinic or such in Bangtao (Phuket) or close to it that does one and provides the necessary certificate? Thank you. 
TLDR : Answer Summary
A user is seeking a clinic in Bangtao, Phuket, that offers non-self-administered Antigen Rapid Tests (ART) and issues the required certification for travel to Singapore. Commenters provided some insights on testing locations, including a mention of possible testing at Suvarnabhumi Airport (Bangkok) as well as clarifying the location of Bangtao.