John Grant, M.D., F.A.C.S

Dr. John Grant

John A. Grant, M.D., F.A.C.S, is a board-certified neurosurgeon specializing in pediatric neurosurgery, with an interest in vascular neurosurgery and epilepsy surgery.

“Dr. Grant is a great man, he saves lives.”

-Nicholas Polo, patient

Dr. Grant completed general surgery internships in Dublin and at Johns Hopkins Hospital. He completed a neurosurgery residency at the Neurological Institute of New York at Columbia University and a pediatric neurosurgery fellowship at Children’s Memorial Hospital. In 2013 Winthrop-University Hospital appointed Dr. Grant director of pediatric neurosurgery.

Dr. Grant was selected by the Castle Connolly Guide to America’s Top Doctors: NY Metro Area in 2013 and 2016.

He visits Haiti regularly where he cares for children with hydrocephalus and congenital malformations.

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Dr. John Grant, Board ...

Dr. John Grant, Board Certified Neurosurgeon at NSPC

Dr. John Grant Discusses ...

John Grant, M.D., F.A.C.S. discusses pediatric neurovascular malformations including glomuvenous ...

Dr. John Grant NSPC treats ...

St. Anthony’s HS Athlete, Nicholas Polo, Makes Strong Recovery Following Brain Tumor ...

Congratulations to NSPC’s Castle Connolly 2016 Top Doctors: New York Metro Area awarded to Jeffrey A. Brown, M.D., F.A.C.S.; Jonathan L. Brisman, M.D.; Robert N. Holtzman, M.D.; Stephen T. Onesti, M.D., F.A.C.S.; John A. Grant, M.D., F.A.C.S.; John Pile-Spellman, M.D., F.A.C.R.


Tuesday, June 23, 2015 Dr. Grant will present at Winthrop Peds Grand Rounds Contact Robert Lee Topic: Pediatric Brain Tumors


ROCKVILLE CENTRE, NY – Seven physicians from Neurological Surgery, P.C. (NSPC) have been recognized as leading physicians in their fields in Newsday’s recently published “Top Doctors on Long Island” magazine supplement.  The seven NSPC physicians include five of the 14 neurological surgeons listed in the magazine – the most neurosurgeons of any private practice or…


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Great Neck, NY 11021
(516) 478-0008

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Rockville Centre, NY 11570
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(516) 442-2250


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West Islip, NY 11795
(631) 983-8400


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Bethpage, NY 11714

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1500-8A Route 112
Port Jefferson Station, NY 11776
(631) 828-3001