Sentara RMH Medical Center (Harrisonburg, Va.). Sentara RMH Medical Center started out as Rockingham Memorial Hospital back in 1912. The 238-bed hospital partnered with Sentara Healthcare in 2010 and serves a population of nearly 218,000. Sentara RMH Medical Center received the Distinguished Hospital Award for Clinical Excellence from Healthgrades in 2014 and 2015 and also earned the Women's Health Excellence Award from Healthgrades in 2014.