one-to-one-health — HL7 International OID Registry
Root OID for One to One Health (publicly branded as 121 Health), a healthcare services organization headquartered in Chattanooga, TN providing telehealth, clinical intake, and care coordination services. This OID serves as the organization's root namespace for healthcare interoperability, including use as the Home Community ID (HCID) for participation in the eHealth Exchange and related networks. Sub-OIDs will be allocated under this root to identify internal namespaces such as patient identifiers, document repositories, submission sets, and clinical application instances.