Other than one word and a comma, it's not clear to me what the difference is between the American COLLEGE of Allergy, Asthma and Immunology, and the American ACADEMY of Allergy Asthma and Immunology. Both of their physician referral tools appear to be useful, though, so I'll give them both 5 stars.

This is very similar to the last tool I used to find an allergist in our area. I'm only giving this one 4 stars, because although it pulled up the physicians, it didn't give any information about their specialties or what kind of certification they have.