Go to each residency homepage-there arent many programs who will explicitly tell you that they wont take D.O's. IF they do, would you really wanna go there?
If you look under my post history, I have a list of programs that will interview and take DO's that was posted on Auntminnie. Some programs to add to that are many of the Texas programs, but they have a strong bias for Texas medical students, Iowa, Wake Forest.
Go to each residency homepage-there arent many programs who will explicitly tell you that they wont take D.O's. IF they do, would you really wanna go there?