CMS’ program history
Medicare & Medicaid
On July 30, 1965, President Lyndon B. Johnson signed into law the bill that led to the Medicare and Medicaid. The original Medicare program included Part A (Hospital Insurance) and Part B (Medical Insurance). Today these 2 parts are called “Original Medicare.” Over the years, Congress has made changes to Medicare:
- More people have become eligible.
For example, in 1972, Medicare was expanded to cover the disabled, people with end-stage renal disease (ESRD) requiring dialysis or kidney transplant, and people 65 or older that select Medicare coverage.
- More benefits, like prescription drug coverage, have been offered.
At first, Medicaid gave medical insurance to people getting cash assistance. Today, a much larger group is covered:
- Low-income families
- Pregnant women
- People of all ages with disabilities
- People who need long-term care
States can tailor their Medicaid programs to best serve the people in their state, so there’s a wide variation in the services offered.
Medicare Part D Prescription Drug benefit
The Medicare Prescription Drug Improvement and Modernization Act of 2003 (MMA) made the biggest changes to the Medicare in the program in 38 years. Under the MMA, private health plans approved by Medicare became known as Medicare Advantage Plans. These plans are sometimes called "Part C" or "MA Plans.”
The MMA also expanded Medicare to include an optional prescription drug benefit, “Part D,” which went into effect in 2006.
Children’s Health Insurance Program
The Children’s Health Insurance Program (CHIP) was created in 1997 to give health insurance and preventive care to nearly 11 million, or 1 in 7, uninsured American children. Many of these children came from uninsured working families that earned too much to be eligible for Medicaid. All 50 states, the District of Columbia, and the territories have CHIP plans.
Affordable Care Act
The 2010 Affordable Care Act (ACA) brought the Health Insurance Marketplace, a single place where consumers can apply for and enroll in private health insurance plans. It also made new ways for us to design and test how to pay for and deliver health care. Medicare and Medicaid have also been better coordinated to make sure people who have Medicare and Medicaid can get quality services.
- Agency Administrators' Tenure [PDF, 87KB]
- CMS History Project Presidents' Speeches Table of Contents [PDF, 1MB]
- Key Milestones in CMS Programs [ZIP, 1MB]
- Oral History Biographies and Interviews [ZIP, 5MB]
- President Bush Signs Medicare Legislation [PDF, 1MB]
- President Milestones [PDF, 1MB]
- Why is CMS in Baltimore? [PDF, 1MB]
- 35th Anniversary Speeches [PDF, 1MB]
- 40th Anniversary Photos and Transcript [ZIP, 85KB]
- CMS History Quiz [PDF, 106KB]
- Page last Modified: 07/27/2015 10:42 AM
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