Dr. Marshall has been practicing Oral and Maxillofacial surgery for the past 19 years. He graduated from Georgetown University School of Dentistry, summa cum laude, in 1984.
He then did his residency in Oral and Maxillofacial surgery at the Long Beach VA hospital and UCI Medical Center, graduating in 1988. He practiced with Drs. Howard Davis, Ronald Kaminishi and David Hochwald till relocating to Huntington Beach in 2006. Dr. Marshall is a Diplomate of the American Board of Oral and Maxillofacial surgery, the National Dental Board of Anesthesiology and the American Board of Dental Sleep Medicine. He is a fellow in the American College of Dentists and the International College of Dentists.