Onyx M.D. is a physician-owned CRNA and physician staffing agency. Every one of our recruiters has been professionally trained to understand the needs of our Clients and Providers. In other words, we understand your practice and we realize that significant revenue is lost when procedures must be referred to another facility. Let us work with you to find a solution. Our consultants are on-hand to discuss your coverage needs and present options so that you can be profitable and efficient.