all of those choices are good but none are pediatricians and ENTs. They are just ENTS that work with pediatric patients. Dr. Newton Duncan in the med center is both a pediatrician and a ENT. He was the only one that could fix the issues with my infant son after a year of trying everything else.
I guess you answered your own question. You probably need to go back to the med center to find specifically a pediatrician/ENT. All of these ENTs have had years doing this type of surgery, and, I venture to guess, thousands of pediatric patients in whom they placed tubes into their ears.