William Sonstein M.D., F.A.C.S.

About Dr. 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 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.)


Patient Testimonials

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Dr. William Sonstein Co-Authors Article on Cerebrospinal Fluid Test Trip in CNS’ Publication

An expert in complex spinal surgery, Dr. William Sonstein worked with an international team to invent a new inexpensive, rapid, point-of-care cerebrospinal fluid (CSF) diagnostic testing strip. Learn more at: https://nspc.com/news/nspc-surgeon-william-sonstein-co-authors-article-in-neurosurgery/



  • Hospital Affiliations

    NYU Winthrop Hospital259 First Street, Mineola, NY 11501
    Mount Sinai South Nassau HospitalOne Healthy Way, Oceanside, NY 11572
    Mercy Medical Center1000 North Village Ave, Rockville Centre, NY 11571
    North Shore University Hospital300 Community Drive, Manhasset, NY 11030
    Long Island Jewish Valley Stream900 Franklin Avenue, Valley Stream, NY 11580
    Long Island Jewish Medical Center270-05 76th Avenue, New Hyde Park, NY 11040
    Plainview Hospital888 Old Country Road, Plainview, NY 11803
    Glen Cove Hospital101 St Andrews Lane, Glen Cove, NY 11542
    Syosset Hospital221 Jericho Turnpike, Syosset, NY 11791
    St. Francis Hospital100 Port Washington Blvd, Roslyn, NY 11576
    St. Joseph Hospital4295 Hempstead Turnpike, Bethpage, NY 11714

    Case Studies