Open Enterprise Master Patient Index (OpenEMPI)

OpenEMPI is an open source implementation of an Enterprise Master Patient (EMPI) which is a repository that maintains a registry of all patients across an enterprise.

OpenEMPI is a standards-based EMPI that was designed with extensibility in mind. Its architecture uses the principles of SOA and its services, including the matching algorithm service, can be replaced with alternate implementation simply through changes to a configuration file. The current version includes an implementation of both a deterministic and a probabilistic algorithm but alternate implementations can be developed and plugged into the system without any modifications to the rest of the system.