Having worked in rare disease diagnostics in a non-US country with good public healthcare, most patients had to fight their way to the correct speciality to get their diagnosis. Without the persistence of family/specific doctors, its not possible.
AI might provide the most scalable way to give this level of access/quality to a much wider range of people. If we integrate it well and provide easy ways for doctors to interface with this type of systems, it should be much more scalable, as verification should be faster.