Overview. Licensed Practical Nurse, Flex Pool. Full-time, 72 hours per pay period, Night shift. . With more than 30 specialties from Cardiology and Neurosurgery to Orthopedics and Vascular care, Methodist Medical Center was one of the first hospitals in East Tennessee to offer cutting-edge treatments and technologies that benefit people with life-threatening aneurysms, severely damaged knee, hip and shoulder joints, sudden heart failure, and non-...