International visitor insurance is needed for health coverage and medical protection for all US citizens traveling outside USA, or non-US citizens traveling outside their home country to any overseas destination country. There are several international visitor insurance plans that offer international visitors to any foreign nation with US style travel medical insurance. These travel health insurance are where your domestic health insurance ceases to be active once you have crossed your national borders.

International travelers need this coverage for any health emergencies or routine medical care due to any accident and sickness in the visiting host country. It is very important for visitors outside the United States to be covered under a international visitors insurance plan as costs of medical care are higher that what you might be used to in your home country. This is true if US citizens visiting countries such as China, Brazil, and other Schengen states in Europe such as Germany, France, UK, etc. 

A good international medical insurance policy has efficient claims system built-in, hence it important to make sure that the visitor insurance provider that you select offers complete cashless claims feature within the PPO network. Many times, visitors outside USA and other nations are on tight budgets and do not have spare cash to for paying an upfront medical costs such as a hospital bill or doctor charges or laboratory fees, and the submit a claim form and apply to be reimbursed for the claim. Direct billing, when and where available, is a huge benefit that gives you the freedom of just presenting the provider ID cards and accessing medical care, provided you pay any deductible and co-insurance charges that apply.