1. Apparatus for associating an unassociated patient record with the corresponding patient, comprising: A. a data processor programmed for accessing an unassociated patient record not associated with a unique person; identifying at least one of direct and indirect patient identification data stored in said unassociated patient record; accessing a database of at least one known patient record unambiguously associated with a known patient; and comparing said direct or indirect patient identification data from said unassociated patient record to corresponding data in said known patient record to identify a set of one or more known patients that correlate with said direct or indirect patient identification data; B. a display for displaying members of said set of one or more known patients; and C. a choice input for selecting, from the display of members of said set, a member associated with said unassociated patient record.