Catherine M. Cosentino, M.D. Ann O'Connor, M.D. and Shawn J. Stafford, M.D. are the only Board Certified Pediatric Surgeons in Southern Arizona. Richard Ashley, M.D. provides specialized Pediatric Urology services. They provide 24 hour, 7 day a week coverage for Tucson and the surrounding areas. As Pediatric Surgeons, they operate exclusively on children and are committed to providing excellent...