And from you current description, that would be Naltrexone, not buprenorphine
You do NOT need to be any kind of specialist to prescribe buprenorphine
or Suboxone. You DO need to have a special certificate from the DEA, but any doc can get that certificate if he takes the course and has a relatively clean prescribing history. To be even more confusing… ANY doc can prescribe buprenorphine, Suboxone, or Subutex, as long as they are NOT treating addiction.