< 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 Improving the Point of Care Experience The Use of AI in Data Migrations The Important Role Historical Records Play in the ER Not All Legacy Application and Archiving Solutions Are Created Equal Maximizing Cost Savings with HealthData Archiver® 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.