UnitedHealth Group Inc (NYSE:UNH) CEO Andrew Witty is scheduled to testify before a U.S. House subcommittee on May 1 regarding a cyberattack at the company’s technology unit that impacted patients and providers.  The hack, which targeted Change Healthcare on February 21, disrupted payments to doctors and healthcare facilities across the country for a month. The company said the total impact from the cyberattack in the first quarter was 74 cents per share, and it expects the full-year 2024 impact to be between