Oynet,
You don't have to decide today or this week. About him coming to see you.
And if you do decide to invite him, just let go of any expectations of him. Because no one should expect anything from someone in active addiction. It would be irrational to do so.
But if you feel you need some face to face time with him, then maybe give yourself some time to rest--having been in the hospital recently--until you feel physically well enough for it.
You can rest awhile. Then see what feels right.