ABOUT US +

Leaders of Institution

The team at Long Island Neuroscience Specialists offer the finest in Back Surgery, Neck Surgery, Brain Surgery and Pain Management. We are a multi-disciplinary group of neurosurgeons and pain management interventionists that are affiliated with the Department of Neurological Surgery of Weill Cornell Medical College.

Our team uses state-of-the-art medical technology to improve patient outcomes. Our team is at the forefront of technology using both robotic and laser surgery to get you back to a pain-free life.

Sumeer Sathi, MD, FACS, FAANS

Dr. Sathi obtained his B.S. Neuroscience with high distinction in research, summa cum laude and was salutatorian of his graduating class at the University of Rochester (1985). He is also a member of Phi Beta Kappa.

He finished his M.D. at Harvard Medical School (1989) in Boston, MA and continued his interest in the neurosciences by training in neurosurgery.

SUMEER-SATHI

Medical Degree

Harvard Medical School, Boston, MA

Surgical Internship

Brigham & Women’s Hospital, Harvard Medical School, Boston, MA

Neurosurgery Residency

Brigham and Women’s Hospital, The Children’s Hospital, Harvard Medical School, Boston, MA

Cerebrovascular/Skull Base Fellowship

Maryfield Neurological Institute, University of Cincinnati, Cincinnati, OH

Clinical Expertise

Spinal Surgery for herniated discs, degenerative conditions and tumors in the back and neck. Brain tumors including meningiomas, gliomas, metastasis and pituitary tumors, neuro-spine trauma, chiari malformations, cyberknife radiosurgery, trigeminal neuralgia, kyphoplasty and dorsal column stimulator implantation.

Academic Affiliation

Clinical Assistant Professor of Neurological Surgery, Weill-Cornell Medical College, New York, NY

Professional Affiliations

American Association of Neurological Surgeons

Congress of Neurosurgeons

American College of Surgeons

New York State Neurosurgical Society

Suffolk County Medical Society

Hospital Affiliations

Long Island Community Hospital

John T. Mather Memorial Hospital

St. Charles Hospital

St. Catherine’s Medical Center

South Nassau Communities Hospital

Honors & Awards

Listed in “Guide to America’s Top Surgeons,” 2007 – to date.

Chief, Division of Neurosurgery, Long Island Community Hospital, East Patchogue, NY 2000 – to date

Chief, Division of Neurosurgery, John T. Mather Memorial Hospital, Port Jefferson, NY 2002 – to date

Chief, Division of Neurosurgery, St. Charles Hospital, Port Jefferson, NY 2002 – 2016

Medical Director of Neurosciences and Back and Neck Pain Center, John T. Mather Memorial Hospital, 2016 - to date

Theodore Roosevelt Award, John T. Mather Memorial Hospital, 2019

Long Island Health Care Hero Award, 2011

Community Service Award, Shanti Fund, 2007

Research Award, The Boston Society of Neurology and Psychiatry, 1993

DeKiewiet Research Award, University of Rochester, Rochester, NY 1984

Steven P. Leon, MD, FACS, FAANS

Dr. Steven P. Leon is a board certified neurosurgeon with specialization in spinal surgery. He completed a spinal surgery fellowship at the Cleveland Clinic Foundation in the Department of Orthopedic Surgery and Neurosurgery, a Neurological Surgery Residency at Brigham and Women’s Hospital and Children’s Hospital (Harvard Program) and graduated with honors from Harvard Medical School.

He treats spinal tumors, trauma, infection, deformity and degenerative diseases. He offers both operative and non-operative treatments. Skills range from minimally-invasive surgery/treatment to complex spinal reconstruction.

Medical Degree

Harvard Medical School, Boston, MA

Surgical Internship

Brigham and Women’s Hospital, Harvard Medical School, Boston, MA

Neurosurgery Residency

Brigham and Women’s Hospital, The Children’s Hospital, Harvard Medical School, Boston, MA

Spinal Surgery Fellowship

Cleveland Clinic Foundation, Departments of Orthopedic Surgery and Neurosurgery, Cleveland, OH

Clinical Expertise

Spinal surgery and general neurosurgery

Academic Affiliation

Clinical Assistant Professor of Neurological Surgery, Weill-Cornell Medical College, New York, NY

Professional Affiliations

American Board of Neurological Surgeons

Fellow of the American College of Surgeons

American Association of Neurological Surgeons

Joint Section on Disorders of the Spine and Peripheral Nerves

Hospital Affiliations

Long Island Community Hospital

John T. Mather Memorial Hospital

St. Charles Hospital

St. Catherine’s Medical Center

Honors & Awards

Honors Thesis Harvard Medical School, Cum Laude – 1994

Listed in “Guide to America’s Top Surgeons,”

Castle Connolly “Top Doctors” 2012 – To Date

News Day “Top Doctors of Long Island” 2012 – To Date

Top Doctors: New York Metro Area 2012 – To Date

Chief, Division of Neurosurgery, St. Charles Hospital, 2021 - to date

Meeru Sathi-Welsch, MD

Dr. Meeru Sathi-Welsch received her Bachelor of Science in Neuroscience and M.D. degree from the University of Rochester in Rochester, NY. She then pursued her surgical internship and anesthesia residency training at the Harvard Program at Beth Israel-Deaconess Medical Center in Boston, MA. With her long term interest in neuroscience, she became interested in the new advances in the specialty of pain management.

She spent one year at MD Anderson Cancer Center learning about cancer pain and at Baylor and University of Texas hospitals learning about nonmalignant pain while doing a fellowship in pain management. Dr. Meeru Sathi-Welsch also trained with Dr. Joseph Helms at University of California, Los Angeles, learning acupuncture for physicians.

Meeru-Sathi

Medical Degree

University of Rochester School of Medicine, Rochester, NY

General Surgery Internship

Beth Israel-Deaconess Medical Center, Harvard Medical School, Boston, MA

Anesthesiology Residency

Beth Israel-Deaconess Medical Center, Harvard Medical School, Boston, MA

Pain Management Fellowship

MD Anderson Cancer Center, University of Texas, Houston, TX

Professional Affiliations

American Society of Anesthesiologists

American Pain Society

New York State Society of Anesthesiologists

Medical Society of the State of New York

Suffolk County Medical Society

Academic Affiliation

Clinical Assistant Professor of Neurological Surgery, Weill-Cornell Medical College, New York, NY