Only my personal opinion, but medivac is not necessary here - there are excellent hospitals in regional centers and Bangkok and world-class facilities in Singapore if you doubt what you can get here - all at a fraction of what they would cost in the West. And, I tend to believe - much better care.

You can get health insurance in this part of the world - far less expensive than in the West as the hospital and doctor expenses are far less.

Family was visiting about a month ago and my elderly sister-in-law took a bad fall (actually the fall was at LAX where they shoved her on the plane and did everything they could to cover their liability a*sses - but nothing to care for the PERSON). My wife and I took her to Bangkok Phuket Hospital where she saw an EXCELLENT ortho specialist - got x-rays - saw the doc again - for about US$30 - all on a walk-in basis.

Self-insuring here IS AN OPTION - at least for non-catastrophic illness and injury.

The physicians I have seen here have been far superior to any of the HMO garbage I got in the States. Doctors here will spend time and talk to you, listen to you AND pay attention. Since I've been in this part of the world I have solved several long-term nagging health problems that NEVER seemed to get solved in the West - partly because the physician was ALWAYS in a huge hurry and never listened, numbers was their game - to pay for the Mercedes and the trophy wife . . .

Just my opinion.