A friend age in Taco Bell in Bangkok and that night came down with a violent case of diarrhea and had to go to the hospital at 3 am. Testing showed it was norovirus and was defecating uncontrollably just about hourly for 3 days. Had to wear pampers and was on an IV. It was only on day 4 did he start to improve. Cost him 200,000+ baht. Luckily he had access to the cash to pay as he had no Thai insurance.
I think, repeat think, if you get a non-OA from a Thai embassy, insurance is mandatory. If you get a non-O after arriving in country, it is not. Others will help on that.
Unless you have a fairly large pension income, no insurance can be ruinous.
You can not use medicare in Thailand, as I am sure many people have told you. You can not submit a claim from Thailand to Medicare for reimbursement of medical costs in Thailand.
If you do not buy insurance, you will pay all expenses out of pocket.
You need to double check whether or not the 800K needs to be from a foreign source. It is not like the monthly income where the requirement is money from a foreign source coming each and every month.
If you are in Thailand, you can get multiple entry re-entry permit good until then end of your current visa/extension of stay with no travel plans what so ever. Eveyone I know does that with no problem
That is a valid re-entry permit. You can use it up to 31 Jan 2025 and do not need to do anything else. Your 90 day report requirement stops when you leave the country, and starts as Day 1 upon the day of your return.