Hahnemann University Hospital had been in failing health for years before administrators announced last month that the 496-bed academic facility in the heart of Philadelphia will close in early September. With mounting debt and losses of $3 million to $5 million a month , the hospital was sold to an investor company last year and laid off more than 200 employees to cut costs. Out of options, the parent company has filed for Chapter 11 bankruptcy protection as it winds down operations at the facility. “Hahnemann University Hospital has been experiencing severe financial difficulties. Despite our best efforts to find solutions, none were found. The hospital cannot continue to lose millions of dollars each month and remain in business,” the hospital said in a statement . The city surely will feel the absence of Hahnemann, which was founded in 1848 and employs 2,500 people.…