UnitedHealth Group health plan single affiliated covered entity

Paper correspondence to certain members in UnitedHealth's prescription drug plans were in advertently sent to the incorrect temporary address due to a database administration error. Approximately 16,291 individuals were affected by the breach. UnitedHealth member's name, plan number and in some instances, date of birth and/or limited medical information. United Health reported that it stopped using PDI's proprietary database for address updates and made outbound verifications calls to members to get accurate temporary addresses. United Health reported that it revised its address update process. \