About Dr. Onesti
Stephen T. Onesti, M.D., F.A.C.S. is a board-certified neurosurgeon specializing in adult spine surgery and the surgical treatment of chronic pain.
Before joining NSPC Brain & Spine Surgery (NSPC), he served as professor of neurosurgery and chair of the Department of Neurosurgery at SUNY Downstate Health Sciences Center of Brooklyn, NY from 2003 to 2011. Dr. Onesti has served as Chief, Division of Neurosurgery, Mount Sinai South Nassau Hospital in Oceanside, NY.
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, NY.
An author, and co-author, of many articles in peer-reviewed journals, Dr. Onesti has given numerous presentations at local and national conferences. He also 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 (AANS), and the New York State Neurosurgical Society (NYSNS), for which he served as president from 2007 to 2009.
Recognized by his peers as Castle Connolly Top Doctor: New York Metro Area.in 2010 and from 2012 to 2025, Dr. Onesti has also been included in Newsday’s listing of “Top Doctors on Long Island” since 2014. In addition, New York Magazine has made Dr. Onesti a part of its “Top Doctors” listing since 2021.
Office Location
100 Merrick Road,
Suite 124W
Rockville Centre, NY 11570
Direct Line for New Appointments: (516)632-7050
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
