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  1. Home
  2. ›Definitions
  3. ›Treasury outlay lines
  4. ›Medicare Supplementary Medical Insurance Trust Fund

Treasury outlay line

Medicare Supplementary Medical Insurance Trust Fund

Helps fund Medicare Part B and Part D.

What this means

The SMI Trust Fund finances physician/outpatient coverage (Part B) and supports prescription drug coverage (Part D), with premiums and general revenues playing large roles.

Related

  • Centers for Medicare and Medicaid Services

    Federal health insurance programs for seniors, people with disabilities, and low-income Americans.

All definitions · Methodology