Abstract: A method and system for sharing patient medical records among a plurality of separate entities wherein each of the entities maintains a separate electronic medical records (EMR) system, the method comprising the steps of receiving a first data request associated with a first patient via a first entity where the first entity is a requesting, automatically identifying the EMR systems associated with a trusted subset of entities that maintain at least a subset of data associated with the first patient, using the subsets of data from the identified EMR systems to update patient data maintained by the requesting entity wherein the patient data includes patient medical chart data and using the updated patient data maintained by the requesting entity to generate and present a patient medical chart via a display.