<http://schema.org/contactType>
"billing support"^^<http://www.w3.org/2001/XMLSchema#string>
<https://tristarcentennial.secure.ehc.com/physicians/index.dot?specialty=interventionalCardiology&filterKeyword=Treadmill%20Stress%20Test&filterPractice=Frist+Cardiology+PLLC&com.dotmarketing.htmlpage.language=1>