This timeline details the key events and legislation related to healthcare reform during Obama's presidency.
January 29, 2009
Children's Health Insurance Program Reauthorization Act
Signed into law to expand health insurance coverage for children.
March 23, 2010
Patient Protection and Affordable Care Act (ACA)
Signed into law, also known as Obamacare, to significantly expand Medicaid and Medicare, guarantee insurance to people with preexisting conditions, and provide free preventive care.
June 28, 2012
Supreme Court Upholds ACA
The Supreme Court ruled that the ACA is constitutional, upholding the law.