Stephen T. Onesti M.D., F.A.C.S.

About Dr. Onesti

Stephen T. Onesti, M.D., F.A.C.S. is a board certified neurosurgeon specializing in spine surgery and the surgical treatment of chronic pain. He served as professor of neurosurgery and chairman of the Department of Neurosurgery at SUNY Downstate Health Sciences Center of Brooklyn, NY from 2003 to 2011. Dr. Onesti is Chief, Division of Neurosurgery, Mount Sinai South Nassau Hospital.

Dr. Onesti received his undergraduate degree, magna cum laude, from Harvard College and his medical degree, cum laude, from Harvard Medical School. He completed his residency in neurosurgery at Columbia Presbyterian Medical Center/Neurological Institute of New York in 1993.

Dr. Onesti has published many articles in peer-reviewed journals, and has given numerous presentations at local and national meetings. He co-edited a book on degenerative disc disease of the cervical spine.

Dr. Onesti is a Fellow of the American College of Surgeons (F.A.C.S.). His professional memberships include the American Association for the Advancement of Science, American Association of Neurological Surgeons, and the New York State Neurosurgical Society, for which he served as president from 2007 to 2009. Since 2010, Dr. Onesti has been selected by his peers as a Castle Connolly Top Doctor: New York Metro Area.

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Castle Connolly Most Top Doctors in Neurological Surgery Care 2024

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  • 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
    Plainview Hospital888 Old Country Road, Plainview, NY 11803
    Long Island Jewish Valley Stream900 Franklin Avenue, Valley Stream, NY 11580
    Glen Cove Hospital101 St Andrews Lane, Glen Cove, NY 11542
    Syosset Hospital221 Jericho Turnpike, Syosset, NY 11791
    Long Island Jewish Medical Center270-05 76th Avenue, New Hyde Park, NY 11040