< Back to Resource Library Enabling Interoperability with Patient Identity Management A master patient identifier is a key component to FHIR interoperability and providing a 1:1 match across the full patient record. Suggested For You HIMSS TV: Tackling Legacy Systems and Data Challenges Maximizing Cost Savings With HealthData Archiver® Active Archive: The Impact on Patient Care Secure Record Delivery HealthData Talks: ONC Reorganization & HTI-2 Was the Resource Helpful? Talk to the experts. Harmony Healthcare IT is an award-winning data management firm with a proven ability to extract, migrate and archive data with 100% integrity.