Adventist HealthCare Imaging. 240-780-4000. 12008 Cherry Hill Road Silver Spring, MD 20904. Adventist HealthCare Imaging. 301-656-7226. 6000 Executive Boulevard Suite 302 Rockville, MD 20852. Adventist HealthCare Imaging. 240-864-1100. 9601 Blackwell Road Suite 150 Rockville, MD 20850. View More.