Texas Medical Center | 30,924 followers on LinkedIn. A medical city dedicated to transforming clinical care, research, innovation and education. | Texas Medical Center (TMC) is the world's largest medical complex. Since opening in 1945, TMC has been pioneering patient care, research, education and prevention. Today, TMC comprises 54 leading member institutions, including 21 renowned hospitals; three public health organizations; two universities; three medical schools; six nursing programs; two pharmacy schools; a dental school; eight academic and research institutions; and 13 support organizations.