Neurosurgery is surgery of the nervous system. A neurological surgeon, or neurosurgeon, is a specialist who is trained in surgery of the nervous system, and can perform surgery on the brain, spinal cord, or other parts of the nervous system. This specialist is sometimes called a brain surgeon. The neurosurgeon also works with patients to diagnose, evaluate, and treat diseases or disorders of the nervous system, and aids in critical care of patients before, during and after surgery.

Physicians in this specialty treat patients suffering from numerous diseases and illnesses, but some of the most common are Spondylolisthesis, Spinal Stenosis, Spinal Injury, Herniated Disc, brain tumors, stroke, Spinal Cord Tumors, Scoliosis, epilepsy, Spinal Infection, Spinal Discectomy, Spinal Deformity, brain tumor, coma, seizure, Alzheimer's disease, cerebral palsy, meningitis, multiple sclerosis, and Parkinson's disease.

Once properly diagnosed, practitioners can perform numerous procedures on patients including Disc Disease / Surgery, Back / Spine Surgery , Invasive Disc Surgery, Kyphosis Surgery, Laminectomy, Deep Brain Stimulation, endoscopic surgery, craniotomy, stereotactic radiosurgery, microsurgery, Endoscopic management, Cordotomy, transphenoidal surgery, and radiation implants.

To diagnose patients with possible illnesses and diseases, specialists will often perform one of many tests including MRI Scan of the Brain, MRI Scan of the Spine, CAT Scan of the Brain, CT Scan of the Brain, Magnetic Resonance Imaging (MRI), Computed Axial Tomography (CT or CAT Scan), Myelogram, Spinal Tap, Lumbar Puncture (LP), Electromyography (EMG), Cerebral Angiogram, Electroencephalography, Electronystagmography (ENG), Nerve Conduction Velocity (NCV), Spinal Puncture, Positron Emission Tomography (PET Scan), Myelography, Ocular Pressures, Evoked Potentials Studies, and Myogram.

Doctor density varies by specialty and location. Arizona has 151 practicing neurosurgeons. Broken out by city, neurosurgery doctor density in Bullhead City is 2, in Casa Grande is 1, in Chandler is 1, in Flagstaff is 4, in Glendale is 16, in Green Valley is 1, in Kingman is 1, in Lake Havasu City is 3, in Mesa is 15, in Mesquite is 2, in Oro Valley is 1, in Page is 1, in Peoria is 4, in Phoenix is 100, in Scottsdale is 28, in Sierra Vista is 1, in Sun City is 3, in Sun City West is 2, in Tempe is 4, and in Tucson is 31.

Arizona has many famous tourist attractions and parks, including the Hoover Dam and Lake Mead, which was created when the dam was built. The Grand Canyon draws millions of visitors each year, and Phoenix, Scottsdale, Flagstaff each draw their own sun-seeking winter vacationers. Visit the world-famous O.K. Corral in Tombstone. Arizona’s population is 5,939,292, and Phoenix, the capital city, is home to a majority of those people. Entertainers Linda Ronstadt, Stevie Nicks, and Tanya Tucker were born here, along with architect Frank Lloyd Wright and former Supreme Court justice Sandra Day O’Connor.

According to 2005 Census estimates, Arizona has a population of 5,939,292. Of this population, 1,535,805 are under the age of 18 and 754,345 are at or above the age of 65.