In one embodiment, method and apparatus are disclosed which provide that a plurality of physicians each enter operative event data into an operative event database, wherein the operative event data documents planned or completed operative events and the physicians enter the operative event data use a wide area network through a user interface assisting the physicians in coding operative events in a consistent manner. The physicians access the operative event database to obtain information concerning upcoming or previously performed operative events, with a service provider maintaining an on-line system including one or more servers to support the entering of operative event data into the database through the Internet and the user interface. The physicians subscribe to the on-line system wherein the physicians are allowed access and use the on-line system, and wherein the physicians retain control over the use and disposition of the operative event data entered by the physician.