Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

HHS-OIG Impact

Impact briefs highlight the significance of HHS-OIG’s oversight work. Impact briefs also provide accessible insights into the transformative effects the agency has on the U.S. Department of Health and Human Services and its programs. Whether it’s driving innovation, shaping policy discussions, or catalyzing positive change for the American people, these briefs showcase the value of HHS-OIG efforts.

  • Medicare Advantage Prior Authorization

    March 18, 2024
    Medicare Advantage Impact Brief

    HHS-OIG’s work on this issue drew national attention to the problem spurring the Centers for Medicare & Medicaid Services, the Industry, and Congress to action.