William J. Sonstein, M.D., F.A.C.S., is a Board-Certified Diplomate, American Board of Neurosurgery. He has a special interest in complex spine surgery and has one of the largest experiences with Posterior Lumbar Interbody Fusion (PLIF) on Long Island. This procedure relieves pain for patients with intractable back pain. Dr. Sonstein uses minimally invasive procedures whenever possible, such as Kyphoplasty and X-STOP™ to treat spinal compression fractures and spinal stenosis.

Dr. Sonstein is Chief of Neurosurgery at LIJ-North Shore University Hospital at Plainview. He completed a highly specialized Fellowship in Spine Surgery at Tampa General Hospital, University of South Florida, Tampa, Florida. Dr. Sonstein served as Chief Resident in his final year of Residency in Neurosurgery at Montefiore Medical Center/Albert Einstein, Bronx, New York.

Dr. Sonstein received his Medical Degree from Temple University School of Medicine, Philadelphia, Pennsylvania. He completed his undergraduate studies at Brandeis University, Waltham, Massachusetts with a Bachelor of Arts degree, cum laude, in Biology. He has been the recipient of numerous honors and awards including Alpha Omega Alpha, Epsilon Chapter. He has participated extensively in neurosurgery research and clinical trials. Dr. Sonstein has authored and co-authored journal articles, scientific abstracts and book chapters.

He is a Fellow in the American College of Surgeons (F.A.C.S.), a Member of the Congress of Neurological Surgeons (CNS), the American Association of Neurological Surgeons (AANS) and the North American Spine Society (NASS.)