Yes, we can help you find a suitable travel medical insurance policy for your visiting parents.
You can get a quote and compare the most reputed and A-rated visitors insurance plans here: http://www.visitorscoverage.com/visitor-insurance/
About your experience with travel insurance; it is not surprising, since most people expect full coverage from such insurance. The reality is, travel insurance covers only new medical conditions. The following article can be a good read to help you understand this topic.
Hope this information helps, write us back if have questions or need assistance.
Insurance rates are regulated by law. You can't find the same insurance plan for a lower price anywhere else