Disagreement with Primary Care Provider over Celiac Diagnosis

Got into a disagreement with my primary care provider yesterday, while I was there for my annual visit. I was recently diagnosed with Celiac and was asking what additional tests, labs, screeners she would recommend. I came in with notes from celiac.org that noted quite a few key things to test for, she denied me needing half of them, and then proceeded to tell me she has little to no experience with Celiac Disease. It's not like I came in with google results, it's a reputable source. But she dismissed my concerns. Then she tried to tell me that BMI has more credibility than HAES, which is nonsense. I'm angry and upset and I really just want to order comfort food, but it's all filled with gluten.