Paul Edward O'Brien, MD is a medical institution located at 8992 University Boulevard in North Charleston, South Carolina, United States. Dr. Paul O'Brien is a medical oncologist with a focus on cancers of the head and neck and gastrointestinal malignancies. He holds seven half-day clinics per week at the Hollings Cancer Center and is actively involved in the development of clinical trials. Additionally, he serves as the inpatient attending on the medical oncology service for three months per year. Dr. O'Brien is also involved in developing a curriculum for residents and medical students during their rotations in medical oncology.