About 12.3 million people enrolled in Medicaid or the Children’s Health Insurance Program between Oct. 1, 2013 and April 30, 2015, increasing total enrollment in the programs by 21.3% since the start of the first open enrollment period for the Health Insurance Marketplace, according to a report released today by the Centers for Medicare & Medicaid Services. The preliminary estimate is based on 48 states and the District of Columbia reporting both April enrollment data and baseline data from July through September 2013. More than 70.1 million people were enrolled in Medicaid or CHIP in those states as of April 30, with Medicaid expansion states showing a 28% increase and non-expansion states showing a 9% increase. More than 76,000 people enrolled in Medicaid or CHIP in April. The second open enrollment period for the Health Insurance Marketplace ended Feb. 15. Medicaid and CHIP enrollment continues year round.