Based on Guarantee Letter


GeoBlue


GeoBlue is a leader and innovator, serving the needs of world travelers. GeoBlue Expat® and GeoBlue Traveler® group health plans combine unsurpassed service and mobile technology to help you access trusted doctors and hospitals all around the globe. Direct Billing only possible with valid Guarantee of Payment letter. 


website:https://www.geo-blue.com/index.cfm
phone:+1.610.254.8772
E-mail:customerservicegeo-blue@hthworldwide.com