In this post-shooting and DOGE-era, regulators may be emboldened to make more changes than they otherwise would have on insurers that are seen to be fleecing the system,” explained one analyst.

It extends a tumultuous period for UnitedHealth marked by the killing of a top executive, a costly cyberattack against its subsidiary and high medical costs.

The U.S. Justice Department has launched an investigation into UnitedHealth's Medicare billing practices in recent months, the Wall Street Journal reported on Friday, citing people familiar with the matter.