The International Association of Medical Assistance to Travelers, or IAMAT, provides assistance in coordinating your trip with a view to healthy travel.

Your IAMAT membership entitles you to access their medical services, including a network of doctors and dentists, to help you plan a safe and healthy trip.

Membership is valid for one year and you can get all sorts of maps and guides to assist you online.

Go to  http://www.iamat.org/ for more information and to join

For frequent travellers, and those heading to far flung places on long trips, you might want to consider global medical insurance.

http://www.imglobal.com/ can offer medical insurance and trip cancellation insurance at a reasonable rate.