To establish a Medicare Chronic Care Practice Research Network to develop and apply improved practices in care management for Medicare beneficiaries with multiple, chronic conditions.

Medicare Chronic Care Practice Research Network Act of 2007 - Directs the Secretary of Health and Human Services to establish a Medicare Chronic Care Practice Research Network to develop and evaluate evidence-based chronic care management for Medicare beneficiaries with multiple, chronic conditions, with a focus on beneficiaries under the Medicare fee-for-service program whose care is most costly.