1. A system for communicating health care data from a sender to a receiver, the system comprising: a first computer system having health care data stored therein; a second computer system in operable communication with, and configured to receive extracted health care data from the first computer system; and a rules engine to normalize the extracted health care data; wherein said rules engine identifies a plurality of health care data fields in a predefined format; wherein said rules engine matches health care data fields with corresponding fields of the extracted health care data and enters the extracted health care data into the matching health care data fields; wherein said rules engine also determines meanings for the extracted health care data located in the matching health care data fields; and wherein the rules engine normalizes the extracted health care data by comparing the determined meanings of the extracted health care data to the predefined format and then converting the extracted health care data to the predefined format.