Over the years, I have strongly recommended the AAMC database for those applicants seeking postbaccalaureate programs. On the left you can filter by public or private, undergraduate or graduate, and special focus. Importantly, for the latter, distinguishing whether you need a career changer or academic record enhancer program is critical.
Here's some additional information from the AAMC regarding postbaccalaureate programs – what to look for, how the curriculum prepares students for medical school, etc.
