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

About Dr. 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 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.

Since 2013, Dr. Grant has been selected by his peers as a Castle Connolly Medical Ltd. Top Doctors: NY Metro Area.

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

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
Huntington Hospital270 Park Avenue, Huntington, NY 11743
Plainview Hospital888 Old Country Road, Plainview, NY 11803
Long Island Jewish Valley Stream900 Franklin Avenue, Valley Stream, NY 11580
Syosset Hospital221 Jericho Turnpike, Syosset, NY 11791
St. Francis Hospital100 Port Washington Blvd, Roslyn, NY 11576
Glen Cove Hospital101 St Andrews Lane, Glen Cove, NY 11542
Long Island Jewish Medical Center270-05 76th Avenue, New Hyde Park, NY 11040
Southside Hospital301 East Main Street, Bay Shore, NY 11706
Good Samaritan Hospital Medical Center1000 Montauk Highway, West Islip, NY 11795

Patient Testimonials

Read how Dr. John Grant made a difference in Lauren's life.


Sixteen year old Nicholas Polo began experiencing a variety of unusual symptoms while training for high school football season. It started with ...