Ms. Chastain is an advance practice nurse in Texas. She is a Certified Registered Nurse Anesthetist (CRNA) in Texas. She is an active member of the Texas Association of Nurse Anesthetists, the American Association of Nurse Anesthetist and the Texas Association of Distance Learning.

Ms. Chastain actively practices Nurse Anesthesia in Fort Worth, TX. Her mission is "Safer care through new frontiers in anesthesia education." She actively lectures at state association meetings and local hospitals to promote her mission.