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University Health's Neurosurgery program is a world-class neuroscience treatment facility. Our nationally and internationally recognized neurosurgeons have in-depth sub-specialty expertise in diagnosing and treating complex, rare and common neurological conditions.

Neurosurgery Physicians & Faculty


Anil Nanda, MD, MPH, FACS Donald R. Smith, MD Bharat Guthikonda, MD
Professor and Chairman,   Clinical Professor Associate Professor
Department of Neurosurgery  

Anthony Sin, MD Christina Notarianni, MD Hugo Cuellar-Saenz, MD
Associate Professor Assistant Professor Associate Professor

Hai Sun, MD Assistant Professor
                 Hai Sun, MD
Assistant Professor

How To Make An Appointment

Specialties & Services:
  • Acoustic Neuroma
  • Aneurysm
  • Anterior Communicating Hemorrhage
  • Anterior Fossa Skull Base
  • Arachnoid Cyst
  • Arnold Chiari Malformation
  • Arteriovenous Malformation
  • Basilar Artery Aneurysm
  • Basilar Hemorrhage
  • Brain Abscess
  • Brain Tumor
  • Cervical Spine Trauma
  • Closed Head Injury
  • Contusion
  • Cushing’s Disease
  • Dandy-Walker Syndrome
  • Diastematomyelia
  • Epidural Hematoma
  • Encephalocele
  • Gamma Knife
  • Giant Aneurysm
  • Glioma
  • Gilioblastoma
  • Gunshot Wounds
  • Hydrocephalus
  • Hypertensive Hemorrhage
  • ICA Aneurysm
  • Infection
  • Intraparenchymal Hemorrhage
  • Lumbar Spine Trauma
  • Meningioma Intracranial Neoplasm
  • Metastatic Intracranial Neoplasm
  • Metastatic Spine Neoplasm
  • Middle Cerebral Hemorrhage
  • Middle Fossa Skull Base
  • Multiple Metastases
  • Myelomeningocele
  • Ophthalmic Artery Aneurysm
  • Pain
  • Pediatric
  • Penetrating Injury
  • Petroclival Meningioma
  • Pituitary Adenoma
  • Pituitary Intracranial Neoplasm
  • Pituitary Tumor
  • Posterior Communicating Hemorrhage
  • Posterior Circulation Hemorrhage
  • Posterior Fossa Skull Base
  • Posterior Interhemispheric Approach
  • Primary Intracranial Neoplasm
  • Primary Spine Neoplasm
  • Rheumatoid
  • Sella Skull Base
  • Skull Base Meningioma
  • Skull Base Trauma
  • Skull Base Tumor
  • Subdural Mematoma
  • Skull Fracture
  • Spine Neoplasm
  • Spine Degenerative Disease
  • Subarachnoid Hemorrhage
  • Stealth
  • Thoracic Spine Trauma
  • Vertebral Hemorrhage


- How long will my appointment take?
Our goal is to make sure each patient is seen promptly. Our neurosurgeons typically devote specific days each week in clinic because they also manage treatment programs, perform surgeries, and teach. For this reason, please allow 2-3 hours for your appointment, especially if unscheduled emergencies delay the doctor.

- Can I get an earlier appointment?
Clinics are by appointment only. If your condition deteriorates or changes, please contact our nursing staff, or if urgent attend the nearest hospital emergency department.

- What should I do if I'm unable to attend an appointment?

If you are unable to attend an appointment, please cancel as soon as possible. You will be given another appointment if still required. By notifying us, it enables another patient the opportunity to see the doctor.

- When can I visit a family member or friend after surgery?

Visiting hours for patients in the Neuro ICU are from 10:00am to 1:00pm and 3:00pm to 8:30pm. Visitors in the NICU are restricted to next-of-kin only; children are discouraged. 

Mission Statement

University Neurosurgery, in its role as an academic medical center of excellence, provides cutting-edge patient care, conducts world-class clinical and basic research, and offers the highest quality undergraduate and graduate medical education experiences. we provide state-of-the-art neuroscience treatment facilities including Gamma Knife, Neuro ICU, and Interventional Neuroradiology and are recognized as the leader for neuroscience in the South. 

What is Gamma Knife?

Since becoming the first in the state of Louisiana to acquire Gamma Knife technology, we have completed over 800 procedures, becoming a leader in stereotactic radiosurgery in the South. 

The Gamma Knife procedure stands unique in its ability to reach areas of the brain that remain inaccessible through conventional surgery. This enables patients who were once considered inoperable due to deep-seated abnormalities or critically-located lesions to receive treatment/cure for their disorders. 

It also provides additional treatment options to those who have previously undergone conventional treatments or those who do not wish to undergo procedures such as the craniotomy. In addition, it offers treatment options to those who cannot qualify for surgery due to health problems or advanced age. 

The Gamma Knife is revolutionary in the treatment of neurological disorders in that it, unlike conventional surgery, requires no incision or opening of the skull. Rather, it uses sources of radioactive Cobalt-60 for generating gamma-ray beams. The microscopic beams are digitally focused onto a specific pre-determined target within the brain, delivering a calculated amount of radiation. Targets are so precise that surrounding healthy tissue near the targeted area receives minimal radiation doses. 

Gamma Knife radiosurgery is used for treating a wide spectrum of brain disorders either alone or as an adjunct to conventional surgery, such as vascular malformations, benign tumors, malignant tumors, movement disorders, trigeminal neuralgia.

More information on Brain Conditions


More information on Spine Conditions