I think wait until they tell you. If it was something urgent they'd tell you. Good theyre addressing your anxiety more. I don't know much about cp or the meds for it, hope the neurologist helps with that, hope youre ok.
Once a week or more of therapy has always been the norm for my kids. He may just need more right now & he's processing stuff that some of it or most of it doesn't even have to do with you. Try not to worry, he's getting the therapy he needs & you & M love your child & he's a great kid.