Adventist HealthCare Shady Grove Medical Center - Mental Health. 301-251-4500. 14901 Broschart Road Rockville, MD 20850. Adventist Behavioral HealthCare & Wellness Services Outpatient Clinic. 301-838-4912. 14915 Broschart Road Suite 2200 Rockville, MD 20850. Adventist HealthCare White Oak Medical Center. 240-637-4000. 11890 Healing Way Silver Spring, MD ….