Traveling with no insurance is crazy. You're lucky, imagine if you would've been in a road accident. Also something you can't ignore in Thailand. Could land you in big trouble, both physically and financially.
Anonymous participant 892 I've had Genki for almost a year. It has great coverage BUT be aware if it is not a hospitalization, you need to pay out of pocket and it will take around 2 months to be repaid. Just make sure you have disposable income you can forget for awhile. Also it's quite expensive. I would only suggest it to really nomadic people. If you are in a country long enough, go local, don't go Genki.