Benjamin D. Sommers, MD, PhD, of Harvard University, speaks with JAMA Health Forum Editor John Ayanian, MD, MPP, and Deputy Editor Melinda Buntin, PhD, about differences in Medicaid enrollment as measured in surveys and administrative data. These differences have implications for estimating coverage now that the federal policy of continuous Medicaid eligibility during the COVID-19 pandemic has ended. Related Content: Survey-Reported Coverage in 2019-2022 and Implications for Unwinding Medicaid Continuous Eligibility