If this is the case many thousands of older Farangs who cannot get insurance do too age will be thrown out of the country don't think so their is at least 10 Farangs who cannot get insurance .that's just a small village in Pattaya times that by how many villages and that's a massive amount .. won't happen ...
My understanding is that you only need medical insurance if you are applying for your first retirement visa in your own country of origin and doesn't apply for retirees on an O.A. already living in Thailand even renuing you visa .