Miss. Code Ann. 73-25-38(2)
Liability: Emergency Management Medical Care
A licensed physician, physician assistant, or nurse practitioner, who, voluntarily and without compensation, provides medical services related to emergency management, emergency operations, or hazard mitigation will not be held legally responsible for acting or failing to act. They can be held legally responsible if acting with extreme carelessness or intent to cause harm.
Immunity from liability for physicians, physician assistants or certified nurse practitioners providing charitable medical care or voluntarily providing health services without fee while assisting with emergency management or operations in an emergency
(2) Any licensed physician, physician assistant or certified nurse practitioner assisting with emergency management, emergency operations or hazard mitigation in response to any emergency, man-made or natural disaster, who voluntarily provides needed medical or health services to any person without fee or other compensation, shall not be liable for civil damages on the basis of any act or omission if the physician, physician assistant or nurse practitioner was acting in good faith and within the scope of their license, education and training and the acts or omissions were not caused from gross, willful or wanton acts of negligence.