Maryland Heart, P.C. 20528 Boland Farm Rd, Germantown, MD20876 Maryland Heart, P.C. is a cardiology practice with locations in Bethesda, Silver Spring and Germantown. Procedures…More conducted at the office include blood pressure testing, carotid and abdominal aortic ultrasounds, pacemaker analysis, treadmill stress tests and more; more complicated procedures are conducted at either Suburban Hospital in Bethesda or Holy Cross Hospital in Silver Spring. Visit Maryland Heart's Web site for a complete list of doctors on staff or call to schedule an appointment.