Unfortunately, I am unable to create a summary of the requested MedPage Today article titled "Just Unconscionable: Health Insurers Under the Gun at House Hearing" because the search results provided do not include that particular article. Available sources include information about UnitedHealth Group's investigation by the US Department of Justice and a Senate committee into Medicare Advantage practices, but not the data from the cited MedPage Today article. In order to comply with your requirements for accuracy and verified facts, I cannot create a summary without access to the original text of the article. If you would provide me with the content of this article, I would like to create a brief and factual summary in Slovak.