apn — HL7 International OID Registry
Advantmed Provider Network (APN) is a healthcare provider network organization participating in health information exchange and interoperability initiatives. This OID uniquely identifies APN as an organizational entity for use in healthcare transactions, FHIR-based API interactions, TEFCA-related data exchange, provider network operations, clinical data retrieval, and other healthcare interoperability workflows. The OID is intended to serve as a persistent organizational identifier within healthcare information systems and external partner integrations.