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Dr. William J. Sonstein


Dr William Sonstein
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 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.)

American Health Front

I’ve had many injections through the years, and I’ve found that Dr. Raj was one of the best that’s ever put a needle in my back. I wouldn’t hesitate to go back to him if I had to.- Paul Yovino

Dr. Raj, Dr. Sonstein: Best Pain Management Injections, Spinal Surgery watch video

"Dr. Sonstein was very thorough. He explained everything… and he took care of everything. If it wasn't for Dr. Sonstein, we might not have found that, and she would have suffered for a longer period of time." -Karen Martin.
Two Patients, One Family: Dr. Sonstein | watch video

"I was very comfortable with Dr. Sonstein. He seemed like a regular guy and he had lots of experience with this type of surgery and my condition" - Patient, Walter Valentine
Don’t Live with a Pain in Your Neck or Back. Treatment for Spinal Stenosis is relatively painless and simple
read feature



Dr. Sonstein is affiliated with the following hospitals

  • Winthrop University Hospital
  • South Nassau Communities Hospital
  • Mercy Medical Center
  • North Shore University Hospital
  • Huntington Hospital
  • Plainview Hospital
  • Franklin Hospital
  • Glen Cove Hospital
  • Syosset Hospital
  • Long Island Jewish Medical Center
  • St Francis Hospital
  • St Joseph's Hospital


(800) 775-7784 | (516) 300-1281

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