You CAN get a good rotational experience in DO clinical years... but you have to be prepared to do your own research and legwork, which usually ends up with at least a couple of individual rotational experiences to be subpar. This is to be expected: a DO student isn't an expert in arranging clinical rotations! And unfortunately you generally can't trust your school administration to give you any unbiased information to help you out. They have a vested interest in keeping their rotations set up as they are. And if you are applying ACGME they will most likely not have any idea how to advise you and what kinds of rotational experiences would be beneficial for you.
My school had a "core rotation" site experience for 3rd year and then I primarily arranged my 4th year rotations. When I was looking for a core site for 3rd year, I didn't pay as much attention to the specific hospital or location, I chose it based on who was going to be my rotations coordinator. After I had a chance to talk to her, she was the ONLY person at the school who got excited when I started bringing up possibilities for non-standard, distant, or reach-type rotations. And it turned out to be the best decision I made in medical school because she took her position seriously to be an advocate for me, even when the main campus didn't want to approve my international rotation and some other things they didn't find important.
Long post I guess, sorry. DO rotations are hard because you don't know enough at the time to know how/if they are deficient unless you are the kind of person who questions everything and then is willing to do something about it
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