 This trial will be deployed in two cycles in order to support the needs of the care management network while the full intervention is developed. Cycle 1 will run from December, 2009 through December, 2010. It will assess the impact of notices about hospital admissions and ED encounters derived from billing data and sent daily to care managers for the 47,000 patients enrolled in NPCCN on the study outcomes. Cycle 2 will run from December, 2010 through December, 2011 and will address AIM 2 of the original grant proposal. For Cycle 2, events detected from ADT and billing data will be generated daily. The events will include hospital admissions, hospital discharges, ED encounters, and specialty care visits. The responses to events will include event summary reports sent to patients assigned medical homes, letters sent to patients or their guardians, and release of information requests on behalf of a patients medical home. The response will be generated for 4,600 patients identified as having complex health needs. In addition, notices will be sent to care managers for detected hospital and ED events for all 47,000 patients enrolled in NPCCN. Special priority will be given to patients with complex heath needs. 