I am currently my nephews rep payee however I with to discontinue as his rep payee

My father and mother have recently take a turn for the worse health wise and I can knowlonger be involved in both situations I need someone alse to take over, but their is know one stepping up to replace me, I heard that the ssi can assign a social worker to do it is this true. If so haw do i start this process of tranfering the managment back.
thanks Melanie B.