Thank you for your responses! I was seeing a digestive health practice here in Durango, but (long story) their PA does most of the doctoring, while the one remaining doctor does colonoscopies, etc. They have not been very good. And I cannot believe I stuck it out with them for so long.
I have a telemedicine appointment with Mayo in late December, and until then am working with my internal medicine doctor, and she is speaking with another GI specialist NOT in that practice who she says is really good. We hope to come up with some plans to work on until the Mayo appointment. It has been a very long haul -- but you all know about that, I'm sure!