The study population consists of VA patients with COPD who receive some of their medical care at Veterans Affairs medical centers and were hospitalized for COPD in the last 12 months. To ensure that patients enrolled in the study receive regular care at the participating VA, we will include only patients enrolled in either the primary care or pulmonary clinic at the VA medical center and were seen at least once in the last year. This criterion should not significantly decrease the number of eligible patients because 90% of patients admitted for COPD in the VA had at least 1 outpatient visit to the VA primary care clinic in the year prior to their hospitalization based on data from the VA OPC in FY03.