Pituitary/Skull Base Tumor Team

Robert Louis, M.D.

Robert Louis, M.D, a fellowship-trained Orange County neurosurgeon, is the director of the Skull Base and Pituitary Tumor Program at Hoag Hospital. Dr. Louis has particular expertise in endoscopic and minimally invasive treatment of benign and malignant brain tumors, sellar and parasellar tumors and skull base tumors. He specializes in minimally invasive endoscopic transsphenoidal surgery for removal of tumors in the pituitary gland.

Lori Berberet, RN, Nurse Navigator

Having been a nurse for 32 years, Lori Berberet, RN, has spent the past 11 1/2 years at Hoag. She has worked in both hospital and outpatient settings, providing direct support to patients and their families.