ptrefs — HL7 International OID Registry
PTREFS engages in online, HIPAA compliant patient referral management and other related medical-practice support endeavors. PTREFS is a privately held company that purveys the 'PTREFS System'. The OID will be used for uniquely identifying referrals and other data (including individuals, patients, legal entities, etc.) related to referral messages in the PTREFS System.