Pip review

Hi I posted the other day that DWP will write to me in 6 weeks about the result of my pip claim,so happy with that,but all of sudden I'm getting phone calls and text messages off ofa doctor I don't know at my practice all of a sudden asking questions about an assessment letter and a recent hospital visit I have no idea about what they are talking about,they keep ringing and leaving voicemails and when I get back to them,they will not tell me what it is about,especially from admin staff,the two three times I've rung themand spoke to them they seem to be laughing in the background,and the person speaking to me,these are supposed to be professionals aren't they,I feel I'm being treated like rubbish,all of sudden they are ringing me,when I've always been chasing around for appointments as they i hard to get,is this being done by doctors deliberately as to get me off pip,m and trick me,as this is a pip review,they are making me ill,I'm already not well,and people seem to be laughing even when I ring up and ask what's this all about,a hospital visit recently, I do not know what they are talking about I haven't been in hospital for about 4/5 years,and they are so secretive about it.I definitely feel there is  some sort of prejudice even going on here,because I feel like I'm being treated very unfairly,please help because this is making me very unwell.I'm shaking even writing this,don't know what to do.