Officials from the Care Quality Commission (CQC), said the mental health trust for Norfolk and Suffolk had high numbers of "worse than expected" results from the survey, which was conducted by the health watchdog earlier this year.
More than 250 patients using community services at NSFT responded to the questionnaire with less than half saying that they did not know who had been in charge of their care for the last 12 months and half said they did not receive the help they needed when in a crisis.
More than 13,500 people took part in the national survey involving 57 health trusts and officials from the CQC warned that poor performance and a failure to act on the findings could affect ratings when inspectors visit NSFT next month.