Final answer:
The organization that replaced the "Health Care Financing Administration-HCFA" is the Centers for Medicare and Medicaid Services (CMS). CMS is a governmental agency responsible for administering the Medicare and Medicaid programs in the United States.
Step-by-step explanation:
The organization that replaced the "Health Care Financing Administration-HCFA" is the Centers for Medicare and Medicaid Services (CMS). CMS is a governmental agency responsible for administering the Medicare and Medicaid programs in the United States. It oversees the funding, regulation, and supervision of these public health insurance programs that provide coverage for different segments of the population.