Enterprise Master Patient Index (EMPI)
Are Master Patient Indexes which link several smaller organization level MPIs together. Master Patient Indexes reference all patients known to an area, enterprise or organization.

The terms Patient Master Index (PMI) and Master Person Index are used interchangeably.

EMPI cross references patient identifiers across multiple information systems to uniquely identify each patient, perform global patient searches and matching, consolidate duplicate patient records, create complete views of patient information and share data across multiple facilities and information systems in real time.

Orion Health’s EMPI has been successfully deployed in a variety of health environments around the world. It offers tangible benefits to both physicians and health administrators:

  • Provides one consistent and accurate identifier, which links all disparate identifiers
  • Standardizes patient demographic data by providing one authoritative central reference point for all data
  • Provides fuzzy searching to ensure that all possible relevant patients are returned in search results
  • Ensures demographic data is always accurate and up to date
  • Cuts response times when searching for patients
  • Reduces duplicate records and shared identifiers
  • Lays the foundation for an Electronic Health Record by enabling tighter integration of departmental systems