Orange County Neurosurgical Associates (OCNA) specializes in the surgical treatment of disorders of the spine, brain, and peripheral nerves. We also specialize in Cyberknife stereotactic radiosurgery.

We treat patients with degenerative disease of the cervical spine and lumbar spine including disc disease, spinal stenosis, spondylolisthesis, scoliosis, adult spinal deformity, cervical myelopathy, cervical radiculopathy, lumbar radiculopathy and disc herniations, peripheral nerve injury, among others. Treatment provided for spinal disorders include conservative care, physical therapy and/or surgical management including cervical disc replacement, anterior cervical discectomy fusion instrumentation, laminoplasty, laminectomy, keyhole foraminotomies, lumbar fusion, minimally invasive lumbar fusion, microsurgery, spinal cord stimulation, outpatient spine surgery, XLIF, ILIF, and kyphoplasty. The neurosurgeons of OCNA also provide 24-hour per day, 7-day per week emergency coverage for traumatic injuries to the spine and brain, stroke, intracranial hemorrhage, cerebral aneurysms, tumors of the brain and spine, and spinal cord injury. We provide world-class contemporary neurosurgical services combined with the most technologically advanced modalities, including hypothermia for traumatic brain injury, spinal cord injury, and stroke.

Our mission is to deliver the safest, most advanced, and effective neurosurgical care for our patients in a compassionate, comprehensive and caring manner.

- Drs. Farzad Massoudi, Robert Jackson, Sylvain Palmer, Ched Nwagwu, K. Anthony Kim, and Alexander Taghva
Orange County, California - Saddleback, Laguna Hills & Mission Hospital, Mission Viejo