Ace Medical Clinic is a walk in, urgent care, medical clinic located in Rockville, Maryland. No appointment is needed and walk-ins are welcome for many immediate care services. We service patients in Rockville, Potomac, Gaithersburg, Germantown, Bethesda, Silver Spring, Aspen Hill, and Wheaton-Glenmont at our walk-in medical clinic & urgent care facility. Ace Medical Clinic is a great alternative to Shady Grove Hospital, Holy Cross Hospital, Suburban Hospital, & Montgomery General Hospital. We accept most medical insurances.