Suboxone prescribing requirements

A doctor just told me that you do not need provide the special DEA number that starts with a X on certain diagnosis with suboxone; he also said he treats a lot of people with suboxone (over the limit) because of this is this true? I was under the impression that you are only allowed to treat 30 patients and pharmacies need to make sure they are specially certified with X... or do we just need to make sure that they are certified and doesn't necessarily have to bill the insurance under the... Suboxone prescribing requirements
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums