I called SSA a few months ago asking about my disability review date and they checked and said there wasn't one(approval letter said 5-7 yrs but my age maybe a factor on a possible review). Then they checked their computer and said since I wasn't working that I shouldn't worry about it. So they do keep track of everyone to see if they are paying FICA ,then if they do,that sends out red flags. I don't know how often you are suppose to see a doctor to keep them happy. I see one specialist twice(more if need be)a yr. and another specialist four times a yr. I'm not sure about PCP. Since he had nothing too do with care for my disabilities ,maybe they wouldn't be concerned about that doctor.