Medicare Advantage plans denied prior authorization requests at unusually high rates, HHS report finds​Medicare Advantage plans denied prior authorization requests at unusually high rates, HHS report finds 

 UnitedHealthcare, CVS Health and Humana had the highest denial rates for long-term care requests, according to a report from the agency’s inspector general.  ​​UnitedHealthcare, CVS Health and Humana had the highest denial rates for long-term care requests, according to a report from the agency’s inspector general.