If working in a NY facility, you must have received certification from the American Registry of Radiologic Technologists (ARRT or Nuclear Medicine Technology Certification Board (NMTCB and be Licensed through the New York State Department of Health. Licensure, Certifications, and Clearances: Must possess a current Registry in Radiology, Nuclear Medicine, Ultrasound, or MRI (ARRT or RDMS, or NMTC or RVS.