My experience with the expatvac website was similar to Klauskunkel's, except the day I received the appointment, I received 6 duplicates of the reservation. By that time after waiting a week and not hearing anything, I had also tried the Thailandintervac website and received an email appointment from Bangkok Hospital (Bangkok) within 3 days, and a confirmation, but no appointment from Bumrungrad until this past Friday (SMS message). So eventually I had multiple options, but had to wait a few weeks for two of them to get back with reservations. I'm in the over 60 group.