Dr. Natalia Trehan is an oral medicine doctor. She treats patients with oral mucosal diseases, salivary gland dysfunction, temporomandibular joint disorders, and oral manifestations of systemic diseases.

In addition to patient care, she is an Assistant Professor of Oral Medicine at the Medical University of South Carolina and the course director for General and Systemic Pathology. She teaches predoctoral and postdoctoral students clinically and didactically. Dr. Trehan's research interests focus on head and neck cancer, oral manifestations of systemic diseases and chronic pain.