Schedule and confirm patient diagnostic appointments, surgeries, or medical consultations., Answer telephones and direct calls to appropriate staff., Receive and route messages or documents, such as laboratory results, to appropriate staff., Greet visitors, ascertain purpose of visit, and direct them to appropriate staff., Interview patients to complete documents, case histories, or forms, such as intake or insurance forms., Maintain medical records, technical library, or correspondence files., Operate office equipment, such as voice mail messaging systems, and use word processing, spreadsheet, or other software applications to prepare reports, invoices, financial statements, letters, case histories, or medical records., Transmit correspondence or medical records by mail, e-mail, or fax., Perform various clerical or administrative functions, such as ordering and maintaining an inventory of supplies., Perform bookkeeping duties, such as credits or collections, preparing and sending financial statements or bills, and keeping financial records., Complete insurance or other claim forms.