Clientele claim department not helpful enough

I am very was hospitalized at Manguzi Hospital after being discharged I sent clientele the relevant documents, I phoned them to to check if they have received received the documents, to my surprise I have been phoning them each day they don't bother no feedback nothing, I don't know how much I spent now for phone calls only, mind you I am very ill, they know every day I have to phone them more than once a day, a very ill call man like, every time when I I claim I have problems