My kid attended a LAC in Vermont and spent two summers doing research internships at University of Chicago.
While U Michigan is one of the top universities in the country and the world, Kalamazoo has a long history of hitting way above its weight, especially when talking about placement of graduates in grad schools.
Both have very good reputations for their graduates being accepted and finishing grad school. However, there is only real data for the undergraduate institution of people who get PhDs. While there may be an equivalent for MDs, I have not seen it. So I know that Kalamazoo edges Michigan out with regards to the percent of their graduates who end up with PhDs, including in biomedical sciences. However, I cannot say for MDs.
It also depends what you want to do with your MD. If you simply want to work as a physician, and would be happy to attend any reputable accredited medical school, what’s most important is to do your undergraduate degree at the college in which you will be most likely to succeed. However, the more “prestigious” medical school tend to prefer students who graduated from similarly “prestigious” colleges, in which case, you need to consider the “ranking” of your undergraduate institution.
So if you want to get an MD at some “top” medical school, U Mich has an edge. However, for more than half of all good medical schools, it doesn’t matter which you attend.
It’s true that a far higher percent of PhD programs care about prestige than do medical schools. However, many LACs that are not “highly ranked”, or even well known by the public, have stellar reputations among most PhD programs. Kalamazoo is such a LAC. So if you wanted to do a PhD, rather than an MD, either would be a good choice.
Overall, how well you do in college and how much you engage in things like research or shadowing have a much stronger effect on admission chances to any medical school or PhD/MS program than the brand of the college in which you do your undergrad. The basic requirements for a “prestigious” medical school are a top GPA and an excellent record of research and engagement in medical-related activities. The brand of the undergraduate institution only starts having an effect when comparing the very applicants.
PS. My kid’s major was also neuroscience, but she went to do a PhD.