are you just reviewing my case because you heard something?
The law requires that we review your case from time to time to verify that you are still disabled .We tell you if it is time to review your case and we also keep you informed about your benefit status .
can I read up more about this so it doesn't take me by surprise?
We have some available publications: Disability Benefits,  What You Need To Know When You Get Social Security Disability Benefits and How We Decide if You Still Have a Qualifying Disability