Gary L. Smith, M.D. Milton Pl, Austell, GA30106 Dr. Gary L. Smith, M.D. is a board-certified physician who practices obstetrics and gynecology in Austell. Dr.…More Smith specializes in the care of pregnant and non-pregnant women, and is affiliated with Northside Hospital. Dr. Smith offers gynecological check-ups, testing, and prenatal care for women of all ages.