A system and user friendly display interface supports creation and modification of a flexible and comprehensive organization structure model able to support provision of clinical care, patient tracking, billing and administration. A method provides a user interface for maintaining organization related information in support of organization operation. The method involves receiving search criteria for use in identifying organization characteristic information. The search criteria is employed in searching a profile comprising information identifying an encompassing organization structure including information identifying multiple constituent organizations and associated organization type and user determinable organization role. Search result information is processed in providing organization characteristic information suitable for presentation to a user via a displayed image in response to user command. A user interface menu supports modification of information representing the encompassing organization structure by adding, removing or moving an organization in the encompassing organization structure and updating a database to incorporate the modifications.