Maryland Primary Care Phys is located at 1509 Ritchie Hwy, Arnold, MD. This business specializes in Doctors & Clinics. Maryland Primary Care Phys is open Mon, 9am-5pm ; Tue, 9am-5pm ; Wed, 9am-5pm ; Thu, 9am-5pm ; Fri, 9am-5pm ; Sat, Closed ; Sun, Closed. and accepts Visa.