We will provide self management support materials to patients of primary care physicians randomized to the intervention arm. We will rely on primary care physicians to enroll patients by first recommending referral via the electronic alerts. On a monthly basis, we will identify patient visits during which an alert fired and no referral was placed. We will distribute a list of these patients to each physician via inter-office mail at least every other month. The mailing will ask physicians to return the list indicating which patients should be enrolled in the program, and our project manager will place the referrals. For non-responding physicians, we will follow up with a reminder email. The patient mailings will include recent clinical results and guideline-recommended targets, encouraging patients to become more proactive in the management of their kidney disease. Once a patient is enrolled in the program, they will receive similar mailings with updated personalized data and recommendations every 3 months.