( July 8, 2026, 2:14 PM EDT) -- HONOLULU — A Hawaii federal judge on July 7 dismissed without prejudice and without leave to amend a suit filed by UnitedHealthcare Insurance Co. against a staffing company for emergency medicine physicians for alleged Medicare fraud related to submitting a claim through the independent dispute resolution (IDR) process, finding that the court lacks subject matter jurisdiction because United failed to show that the alleged fraud presented a “substantial” federal issue....