Medicare’s website your Medigap plan has built-in travel coverage check your policy Medicare supplement plan check your policy Medicare web site foreign travel emergency. when you travel outside the U.S when you travel outside the U.S life when you travel outside the U.S your Medigap plan has built-in travel coverage when you travel outside the U.S supplemental Medigap policy, Medicare web site when you travel outside the U.S when you travel outside the U.S when you travel outside the U.S coverage for foreign travel emergency health care when you travel outside the U.S