Dr. Mailloux attended Virginia Tech where he graduated Magna Cum Laude in 1985. Medical degree was received from UMDNJ - Rutgers Medical School in 1989. Internal medicine residency program was completed in 1992 at the Medical College of Virginia followed by a gastroenterology fellowship at the University of Chicago, which he completed in 1995. Dr. Mailloux joined HIMG in 1995. He is board certified by the American Board of Internal Medicine in the subspecialty of gastroenterology.