Excellent question! I bet you have already been burning up the internet in searches, but here is another link to check out.
https://treatment.psychologytoday.co...e/Arizona.html

If insurance helps pay, the company will have strong input about where your family member can go next. Getting into research trials might be an option. https://clinicaltrials.gov

Good luck! And thank you for advocating for your daily member. I hope for comfort.