Could you give more detail on your health insurance--what you have now, and some other ones you're considering?
Some of the other companies we've heard about are mentioned in this article, but we don't have experience with them: http://www.nomadtopia.com/faq-what-do-you-do-for-health-insu...
Sorry, I can't give a definitive answer on the solution, but this is an area where we're still learning.