World-class Headache Specialists in the Heart of the Carolina's The Carolina Headache Institute (CHI) was founded by a dedicated group of academic sub-specialists whose sole focus is Headache Medicine. All of our physicians are certified in Headache Medicine by the United Council for Neurologic Subspecialties. Combining multidisciplinary practice with compassionate, patient-centered care, we work to restore the quality of life of headache sufferers.