She has a site
here with a FAQ and other information. I glanced through it briefly and they do acknowledge and treat food allergies. Beyond that I can't tell you much more about
how they'll treat your child.
My guess is that if Dr.Chutkan's office referred you to her, it's possible that they might have the same integrative philosophy, but don't take my word on it. Call them and see how they usually approach it. I doubt they are the same med pushing clowns people usually see.