Hey Messy: What a terribly alarming situation you are in! You must feel so helplesss. If I might make a suggestion, I know that our pastor always takes a day to go visiting in the hospital, and if you were able to connect with a pastor in your Dad's hometown, maybe he would accept a visit from him?? I know that might be hard to accept if he is still a JW, but you never know if it could help...If this seems plausible, then PM me and I'll try and find a name for you to call.
Or, could you call one of the congregation elders and ask them to please live up to their biblical mandate of visiting the sick...
TS