Adventist HealthCare Fort Washington Medical Center. 301-292-7000. 11711 Livingston Road Fort Washington, MD 20744. Adventist HealthCare Shady Grove Medical Center. 240-826-6000. 9901 Medical Center Drive Rockville, MD 20850. Adventist HealthCare White Oak Medical Center. 240-637-4000. 11890 Healing Way Silver Spring, MD 20904. View More.