They need a supervising physician, which should be an anesthesiologist. Surgical MDs do not have the same qualifications to sign off on their orders. The liab

They need a supervising physician, which should be an anesthesiologist. Surgical MDs do not have the same qualifications to sign off on their orders. The liability with CRNAs flows to the supervising physician, so most MDs tend to be very uncomfortable working with only CRNAs.