blog post How Has the Medi-Cal Program Changed over the Past Three Decades? By Shannon McConville, Paulette Cha Jul 23, 2024 As part of an ongoing series commemorating PPIC's 30th anniversary, research fellows Paulette Cha and Shannon McConville discuss how Medi-Cal—California's Medicaid program—has changed and expanded since the early 1990s. One-third of current Medi-Cal enrollees are adults who gained program eligibility under the federal Affordable Care Act.