And it is the FIA approved track in Thailand to my knowledge.
Unless they are thinking if running a street circuit then Baen Saeng is the logical choice.
For me it
Did not cover food other than very basic hospital slop.
Did not cover private room cost...but did allocate the public ward cost which was Bt750 per day.
Did not cover Key hole surgery.
https://www.mrkumka.com/en/
compares policies from different insurers.
punch in you deets...get a qoute.
then go to the local office of the insurance company.