A Certified Registered Nurse Anesthetist (CRNA) provides anesthesia care for various surgical procedures including orthopedic, podiatry, plastics, ophthalmology, and vascular cases. They work in a clinical setting using EMR systems like Epic and must hold multiple certifications such as CT License, DEA, BC, NBCRNA, ACLS, BLS, and PALS. The role involves administering anesthesia safely, monitoring patients, and ensuring perioperative care under credentialing requirements.