Founded in 1912, Olean General Hospital (OGH) is a 186-bed acute-care community hospital, with its main campus located at 515 ... Main Street in Olean, New York. In addition to an acute-care hospital, OGH also has a full service dental facility, an accredited sleep center and the Mildred Milliman Radiation Medicine Center, a premier affiliate of Roswell Park Cancer Institute. The hospital is also constructing a $10.3 million Ambulatory Surgery Center, which is scheduled for completion in 2012. read more