DaVita HealthCare Partners Inc., formerly DaVita Inc., is a provider of dialysis services in the United States for patients suffering from chronic kidney failure, also known as end stage renal disease (ESRD). As of December 31, 2011, the Company provided dialysis and administrative services through a network of 1,809 outpatient dialysis centers located in the United States throughout 43 states and the District of Columbia, serving a total of approximately 142,000 patients. It also provides acute inpatient dialysis services in approximately 900 hospitals and related laboratory services throughout the United States. On November 1, 2012, the Company announced the consummation of the merger of HealthCare Partners Holdings, LLC (HCP), with Seismic Acquisition LLC, with HCP as the surviving entity. In January 2013, the Company acquired nine dialysis centers from Fresenius Medical Care (FMC), provider of dialysis services and manufacturer of dialysis products.