Directions to AdventHealth Group Multispecialty at Highland Lakes AdventHealth Group Multispecialty at Highland Lakes 34041 US 19 North Suite D Palm Harbor, FL 34684 Directions to AdventHealth Group Multispecialty at Highland Lakes AdventHealth Group Multispecialty at Highland Lakes 34041 US 19 North Suite D Palm Harbor, FL 34684 Call AdventHealth Group Multispecialty at Highland Lakes at727-942-5189