"Who is the best doctor for me to see?" I get this question all the time. I’m sure many fellow doctors do too. In a way, it’s the question. Who you seek help from can be the difference between getting the right answer and the wrong one. It can mean getting answers early or suffering errors and circuitous missteps before getting answers far too late. For a choice so high-stakes – who to see for a specific medical question – there must be robust systems in place ensuring that you’re going to...