Agency. Dept of Health and Human Services. Division. O'Berry Neuro-Medical Treatment Center. Job Classification Title. Dental Supervisor (NS). Position Number. Grade. MH25. About Us. The North Carolina Department of Health and Human Services (DHHS) is one of the largest, most complex agencies in the state, and has approximately 17,000 employees. It is responsible for ensuring the health, safety, and well-being of all North Carolinians, providing ...