Robert G. Louis, MD
FAANS, FCNSEmpower360 Endowed Chair in Skull Base and Minimally Invasive Neurosurgery Program Director, Skull Base & Pituitary Tumors
Contact usDr. Robert Louis is a fellowship-trained Neurosurgeon specializing in minimally invasive brain tumor surgery.
Dr. Louis is also the Director of the Skull Base & Pituitary Tumor Program at Hoag, leading the Center of Excellence for Skull Base and Pituitary Tumors.
He is an expert in minimally invasive brain tumor surgery, including endoscopic and key-hole approaches for brain tumors, pituitary and skull base tumors, and cranial nerve conditions. Known for combining advanced neuro-imaging and neuro-navigational technology with a personalized, patient-centered philosophy, Dr. Louis focuses on delivering safe, effective care with minimal recovery time, always prioritizing each patient’s unique needs.
Neurosurgery
The medical specialty concerned with the prevention, diagnosis, treatment, and rehabilitation of disorders which affect any portion of the nervous system.
Pituitary Tumor Surgery
Developed and refined to improve modern brain and skull base neurosurgery, limiting trauma to surrounding tissues and nerves.
Keyhole Brain Surgery
The medical specialty concerned with the prevention, diagnosis, treatment, and rehabilitation of disorders which affect any portion of the nervous system.
Trigeminal Neuralgia (TGN)
Often called tic douloureaux (French for “painful tic”), TN or TGN is an excruciatingly painful condition that affects one side of the face in the divisions of the fifth cranial (trigeminal) nerve.
Brain Tumor
Expert, multidisciplinary care for brain tumors using advanced diagnostics, treatment, and surgical techniques.
Patient Testimonial Carousel
“Dr. Louis was just amazing. I knew I could trust him, and I was ready to go in the next morning to have at least part of the tumor removed.”
A proven pillar of leadership at Hoag and beyond
The only fellowship-trained minimally invasive surgeon in Orange County, and one of only a few in the US.
Awarded rare grants to continue innovations in virtual and augmented reality technology.
Consistently voted as one of Hoag’s top doctors, and has an average review rating of 5 stars.
Program Leadership
Brain Tumor Program
Hoag’s multidisciplinary team approach brings together the best minds in medicine, with leading experts from Hoag Family Cancer Institute and the Pickup Family Neurosciences Institute.
More about this programPituitary and Skull-Base Tumor Program
Hoag Pickup Family Neuroscience Institute
Combines the latest advanced and emerging technology with minimally invasive techniques to offer the best possible outcomes to patients with these rare and complex tumors.
More about this programGet more details on certifications, reviews, and scheduling an appointment with Dr. Louis.
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