The MedHome Portal is a web site aimed at providing information and resources to primary care physicians and families to improve care of children with special health care needs and support the Medical Home model of comprehensive care. Its development is a collaborative effort among a University's Department of Pediatrics and its Health Sciences Library, the state Department of Health, a family advocacy organization, and others. The Portal's development to date, unique features, results in terms of content and utilization, lessons learned, and future directions are detailed.