1. An enterprise healthcare information management system comprising: a first deployment and a second deployment; each deployment including data stored within a data structure, the data at least relating to a data entity of the enterprise healthcare system and each deployment operable for autonomous management of the data stored within its respective data structure; a communication network communicatively coupling the first and second deployments; and each deployment having a data correspondence functionality facilitating reconciliation, manipulation, modification or synchronization of data stored in the data structures of either of the first and second deployments.