Omar Arnaout, MD
Brain Tumor & Skull Base Neurosurgeon in Boston — personalized, relationship-driven care for brain tumors and complex neurological conditions.
Boston Neurosurgery
Advanced brain surgery, delivered with compassion
Dr. Omar Arnaout is a nationally recognized brain tumor and skull base surgeon — the J.K. Irving Family Endowed Chair in Neurosurgical Oncology at Mass General Brigham and an Associate Professor at Harvard Medical School. He specializes in minimally invasive, keyhole, and endoscopic approaches — and in building the long-term relationships that lead to the best outcomes.
What we treat
Areas of Clinical Expertise
- Primary Brain Tumors
- Glioma
- Glioblastoma
- Metastatic Brain Tumors
- Pituitary Tumors
- Meningiomas
- Awake Craniotomy
- Vestibular Schwannoma (Acoustic Neuroma)
- Minimally Invasive Tumor Surgery (Keyhole)
- Endoscopic Skull Base Surgery
- Microvascular Decompression
- Trigeminal Neuralgia
- Hemifacial Spasm
About
A surgeon focused on the person, not just the procedure
“The field of neurosurgery is not about the procedures but rather the long-term relationships I build with my patients.” Dr. Arnaout often meets with patients several times before discussing surgery, and stays closely involved throughout recovery — for surgical and non-surgical patients alike.
“The brain is the last and grandest biological frontier, the most complex thing we have yet discovered in our universe.”— James Watson
In the News
Patient stories & media coverage
From keyhole brain surgery to AI in neuro-oncology, Dr. Arnaout's work has been featured by CBS Boston, Mass General Brigham, and other outlets.
Request a consultation
Have questions or want a second opinion? Reach out and Dr. Arnaout’s team will help you take the next step.