Timeline Charts of Changes to Medi-Cal and Covered California Under OBBBA and the California Budget

Executive Summary

H.R. 1, also known as the “One Big Beautiful Bill Act,” (OBBBA) cuts approximately $1 trillion from Medicaid which will result in an estimated 10 million individuals and families losing health coverage across the nation. The 2026-27 California Budget includes additional cuts to the Medi-Cal (Medicaid) program. These reference charts provide a color coded timeline of all of the changes to Medi-Cal and Covered California. The Medi-Cal timeline provides an overview of the key changes under both budget bills to the Medi-Cal program. The Covered California timeline provides an overview of the key changes under OBBBA, including changes under the Marketplace Fine Rule.

• Covered California Timeline of OBBBA and Marketplace Final Rule Changes
• Medi-Cal Timeline: OBBBA and CA Budget Implementation Changes