Healthcare Trust of America, Inc. is a self-administered real estate investment trust (REIT). The Company�s primary business consists of acquiring, owning and operating its portfolio of medical office buildings and other healthcare-related facilities. Its portfolio is primarily concentrated within the United States metropolitan areas and located primarily on or adjacent to (within a 0.25 mile) the campuses of healthcare systems. As of December 31, 2012, the Company�s portfolio, including both the operating properties and those classified as held for sale, consisted of 214 medical office buildings and 24 other healthcare-related facilities, as well as two other real estate-related assets. In September 2013, Healthcare Trust of America Inc acquired six on-campus medical office buildings located in South Florida.