Caring for patients with end-stage kidney disease (ESKD) in the United States is challenging not only because the epidemiology of the disease's progression is complex, but also because treatment delivery occurs within social and environmental contexts that can be difficult to navigate. Chronic kidney disease (CKD) often results from other conditions, such as hypertension and diabetes. In turn, CKD can contribute to a cascade of new chronic conditions, such as anemia and cardiovascular disease. Notably, 83% of US Medicare fee-for-service program enrollees with CKD have three or more comorbid chronic conditions. 1 As CKD progresses toward ESKD, the number of comorbidities increases, care becomes much more complex and the potential for adverse outcomes increases. 2,3 As a result, care for individuals with ESKD typically involves multiple healthcare providers from multiple subspecialties. In the context of a US healthcare delivery system that has been historically siloed by provider specialty, organization, payment system, and administration,