Northwestern Memorial Hospital (NMH) is a nationally ranked academic medical center hospital located in downtown Chicago, Illinois. It is the primary teaching hospital for Northwestern Universitys Feinberg School of Medicine. Along with its Prentice Women’s Hospital and Stone Institute of Psychiatry, the hospital provides a total of 894 inpatient beds and encompasses more than 3 million square feet of medical building space. Virtually every medical specialty is represented by the over 1,600 physicians on the medical staff at Northwestern Memorial who also carry faculty appointments with Feinberg. It is the third tallest hospital in the United States and the fifth tallest hospital in the world. Northwestern Memorial Hospital is ranked as the sixth best hospital in the United States, ranked number one in the Chicago metro area, and ranked number one in the state of Illinois according to the 2013-14 U.S. News & World Report Americas Best Hospitals "Honor Roll" report. Northwestern Memorial is also ranked among the best in the nation in 12 specialties: neurology and neurosurgery (#7); orthopaedics (#7); diabetes and endocrinology (#9); urology (#9); digestive disorders (gastroenterology) (#10); gynecology (#11); geriatrics (#11); heart (cardiology) and cardiac surgery (#12); pulmonology (#13); cancer (oncology) (#14); nephrology (kidney disorders) (#14); ear, nose and throat (otolaryngology) (#17); and as high-performing in rheumatology and ophthalmology.