 Study DesignSettingsParticipants A cluster randomized trial and multi-level statistical modeling will be used to estimate health IT intervention effects on study outcomes. The proposed project will be conducted in the Childrens Hospital of Philadelphias CHOP health care system. The heath IT intervention will be tested in the Pediatric Research Consortium PeRC, which includes 28 primary care practices in the CHOP network, both urban and suburban, and the CHOP ENT clinical sites. Randomization and implementation of the intervention will occur at the practice level. Study outcomes of quality of care and resource utilization will be reported at the levels of the practice, individual practitioner, and episode-of-care patient-level. 