There is a list on the AOTA website that includes all Master's program, so just search for ones that say combined baccalaureate/master's. OT Master's-Level Programs - Accredited
However, this is only for programs where BS and MS are at the same school. Some other schools allow you to do your first few years there and then transfer to another school to complete the OT degree. I don't know of any list for that, but you could look at the MSOT program websites and see what partner programs they list.
For example, for TJU, there is a long list of partner schools, although this list is probably for all of their programs, and not OT specific. Jefferson Schools - Admissions