Mercy Hospital-Emergency Room is located at 4077 5Th Ave, San Diego, CA. This location is in the Hillcrest neighborhood. This business specializes in Doctors & Clinics. Mercy Hospital-Emergency Room is open Mon, 9am-5pm; Tue, 9am-5pm; Wed, 9am-5pm; Thu, 9am-5pm; Fri, 9am-5pm; Sat, Closed; Sun, Closed and accepts Mastercard and Visa.