the only time it had helped for me was when I was going through a really rough patch. I would actually prefer if it never showed up on my records at this point becuase even when I went to the ER for asthma issues this past summer, they first questioned me about my mental health before they assessed the breathing... It's still very much stigmatized and can bias your healthcare. That said, If I were still as bad off as I was 4 years ago, I would want my T and PDoc communicating (if for nothing else than my T had my back while my PDoc was just covering her ***).
If you don't feel comfortable signing the consent, there's no reason to do it.