This essay provides an overview of significant historical events that have shaped the U.S. healthcare system. It begins with the Hospital Survey and Construction Act of 1946 (Hill-Burton Act), which aimed to improve hospital infrastructure and access to care. The essay then discusses the founding of the Joint Commission on Accreditation of Hospitals in 1952, highlighting its role in setting healthcare standards. It further examines the establishment of Medicare in 1965 under Title XVIII of the Social Security Act, detailing its expansion and impact on healthcare access for the elderly and disabled. The Medicare Modernization Act of 2003, including its prescription drug benefit (Part D), is also analyzed. Finally, the essay explores the Health Insurance Portability and Accountability Act (HIPAA) of 1996, focusing on its goals of modernizing healthcare information flow and protecting patient data. The essay concludes by underscoring the lasting influence of these events on the current healthcare landscape in the United States.