Charter Medical Group launched with some fanfare in 2006 when it opened a top-of-the-range private medical facility in Smithfield at a cost of €15 million.  Founded by medical entrepreneur John Gallagher with the backing of well-known developer Paddy Kelly, its plan was to invest €100 million in building a nationwide chain of primary care and diagnostic health centres.  “Waiting lists are huge wherever you go, so the potential for expansion is vast,” Gallagher told The Irish Times in 2006. Charter was tapping into big medical trends by offering specialist diagnostic services and medical care in an up-and-coming part of the…