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Akinwunmi Oni-Orisan, MD

Neurosurgery & Neurointerventional Surgery
Ventura Neuroscience Center

Akinwunmi Oni-Orisan, MD

  • Akinwunmi Oni-Orisan, MD, is a fellowship-trained neurosurgeon, sub-specializing in open cerebrovascular, skull base, and endovascular neurosurgery. At Link Neuroscience Institute in Oxnard and Santa Barbara, California, Dr. Oni-Orisan provides expertise in the treatment of ischemic and hemorrhagic stroke, brain aneurysms, arteriovenous malformations, carotid disease, acoustic neuromas, and skull base tumors. In addition to cerebrovascular disease, Dr. Oni-Orisan has extensive training in the treatment of degenerative and traumatic spine disorders, brain tumors, trigeminal neuralgia, Chiari malformation, carpal tunnel syndrome, pituitary adenomas, and traumatic brain injury.   

  • Dr. Oni-Orisan was born and raised in Ann Arbor, Michigan, to Nigerian immigrant parents. He attended the University of Michigan, where he obtained a Bachelor of Science with Honors in cell and molecular biology. He then went on to obtain a Doctor of Medicine degree at the Wayne State University School of Medicine in Detroit, Michigan. This was followed by a seven-year neurological surgery residency at the Medical College of Wisconsin in Milwaukee, Wisconsin. After the completion of residency, Dr. Oni-Orisan concluded his training with a combined, two-year open cerebrovascular, skull base, and neuro-endovascular surgery fellowship at the University of Texas Health Science Center in Houston, Texas.  

  • Dr. Oni-Orisan lives in the area with his wife and three young daughters. He enjoys sports, music, and traveling.