Are there any certifications for pain management RN's?

Yes there is. The Pain Management certification exam is a partnership venture between the American Nurses Credentialing Center (ANCC) and the American Society for Pain Management Nursing® (ASPMN®)

ANCC provides certification in Pain Management. ASPMN is a great resource for study materials and any nursing pain management questions.

Yes.

Yes, There are national certifications for Pain Mangement