Dr. Ahmad A Alturjuman, MD. Other Doctors. 25 Years of Experience. Call (909) 683-7620. Accepting patients. About Insurance Other Specialists. About Dr. Ahmad A Alturjuman, MD. Practice Location. Practice At 4500 Brockton Ave . 4500 Brockton Ave. Riverside, CA 92501 (909) 683-7620. Get Directions. Ahmad Alturjuman, MD..