Our Physicians
| NEUROSURGEONS | |
Dr. Stephen D. Burstein Stephen D. Burstein, M.D., F.A.C.S., is a board certified neurosurgeon and the senior attending physician. Stephen D. Burstein, M.D offers
the new XSTOP® procedure to patients with pain from spinal
stenosis. Stephen D. Burstein, M.D., recently
became certified to implant the Prestige Cervical
Disc, manufactured by a division of Medtronic. |
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Dr. Michael H. Brisman Michael H. Brisman, M.D., F.A.C.S., is a
board certified neurosurgeon who is proficient
in adult neurological surgery. He specializes
in stereotactic and radiosurgery techniques
for the treatment of brain tumors and trigeminal
neuralgia. |
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Dr. William J. Sonstein William J. Sonstein, M.D., F.A.C.S., is a board certified Diplomate, American Board
of Neurosurgery. He has a special interest in
complex spine surgery and has one of the largest
experiences with Posterior Lumbar Interbody
Fusion (PLIF) on Long Island. |
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Dr. Jeffrey A. Brown Jeffrey A. Brown, M.D., F.A.C.S. is a board certified neurosurgeon,
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Dr. Benjamin R. Cohen Benjamin R. Cohen, M.D., F.A.A.N.S., F.A.C.S. is a board certified neurosurgeon, specializing in various forms of spine surgery and is an expert on cervical myelopathy. Dr. Cohen has a special interest in minimally invasive procedures including kyphoplasty and microdiscectomy as well as image-guided spine surgery and artificial disc replacement. |
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Dr. Artem Y. Vaynman Artem Y. Vaynman, M.D., F.A.A.N.S., F.A.A.N.S. is a Neurosurgeon with special expertise in complex spinal surgery, minimally invasive spinal surgery, and 3D spinal navigation. Dr. Vaynman treats a variety of spine problems, such as degenerative scoliosis, spinal stenosis, compression fractures, back pain, herniated disc, and sciatica. |
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Dr. Lee Eric Tessler Lee Eric Tessler, M.D., F.A.A.N.S. is a Neurosurgeon who specializes in
the treatment of primary brain tumors, metastatic
tumors, meningiomas, stereotactic surgery, and
radiosurgery. |
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Dr. Jonathan Brisman Jonathan L. Brisman, M.D. is a board certified neurosurgeon who specializes
in Cerebrovascular and Endovascular surgery.
He is one of an estimated 70 neurosurgeons nationally
trained in both microneurosurgery and endovascular
techniques and the first dual-trained endovascular
neurosurgeon on Long Island. |
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Dr. Ramin Rak Ramin Rak, M.D., F.A.A.N.S., F.A.C.S. is a board certified neurosurgeon who is proficient in adult neurosurgery. He specializes in brain tumors, cerebrovascular and skull base diseases, stereotactic radiosurgery, as well as complex and minimally invasive spinal procedures. Dr. Rak is an expert in micro-neurosurgical techniques which he utilizes to perform most of his brain and spinal surgeries. Dr Rak is certified in both Cyber-knife and Gamma-knife procedures. |
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Dr. Alan Mechanic Alan Mechanic, M.D., F.A.C.S., is a board certified neurosurgeon who specializes in spinal surgery, brain tumors and trigeminal neuralgia. Dr. Mechanic is the Chief of Neurosurgery at the Huntington Hospital in Huntington, NY, and brings more than 20 years of Neurosurgical experience to the practice |
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Dr. Donald Krieff Donald S. Krieff, D.O., F.A.C.O.S, is a board certified neurosurgeon who treats adult and pediatric patients. He performs both complex cranial and spinal surgery. He has special interests in computer-assisted resection of brain tumors and the management of traumatic injuries to the brain and spine. |
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Dr. Brian J. Snyder Brian J. Snyder, M.D. is a neurosurgeon who specializes in the treatment of movement disorders such as Parkinson ’s disease, tremor and dystonia, as well as seizure disorders and epilepsy. Dr. Snyder is an expert in deep brain stimulation (DBS) utilizing microelectrode recording, vagal nerve stimulation (VNS), and procedures for mapping, recording, and identifying seizure foci in the brain and the surgical resection of these foci. |
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Dr. Elizabeth M. Trinidad Elizabeth M. Trinidad, M.D. is a fellowship trained pediatric neurosurgeon who specializes in the treatment of children and adults afflicted with complex disorders of the brain and spine. Dr. Trinidad is expert in neuroendoscopy and uses minimally invasive techniques when treating diseases of the brain and spine such as tumors, congenital malformations (craniosynostosis, spina bifida and Chiari), hydrocephalus, epilepsy and spasticity, trauma and degenerative disease. She is an expert in managing their care by using stereotactic radiosurgery for tumors and AVM’s (Arteriovenous Malformations). |
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Dr. Robert N. Holtzman Robert N. Holtzman, M.D., is board certified in neurosurgery as well as in psychiatry and neurology. His interests in neurosurgery include cranial, spinal and peripheral nerve surgery. They include microdiscectomies, spinal decompression with stabilization and fusions and many intracranial procedures for trauma, tumor, hemorrhages and blood vessel disorders. Dr Holtzman serves as Secretary Treasurer and Director of the Harry Winston Research Foundation and has also had an important relationship with the Jackson Laboratory in Bar Harbor, Maine. He currently serves as Chairman of the New York City Chapter of the Jackson Laboratory’s National Council. He has collaborated with Mr. Herbert Juli, Executive Director of the World Jewish Congress Foundation, to fund graduate student fellowships at the Laboratory for biological and genetic research. |
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DR. STEPHEN T. ONESTI Stephen T. Onesti, M.D., F.A.C.S., is a board certified neurosurgeon specializing in spine surgery. He is a professor of neurosurgery at SUNY Downstate Health Sciences Center of Brooklyn, NY and served as chairman of the Department of Neurosurgery at SUNY Downstate from 2003 to 2011. 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. Dr. Onesti was selected as a Castle Connolly Top Doctor: New York Metro Area in 2010. |
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Dr. Matthew B. Kern Matthew B. Kern, M.D. F.A.A.N.S., is a board certified neurosurgeon who has been in practice for 14 years. He is skilled in general neurosurgery and specializes in complex spinal procedures, the surgical treatment of brain tumors, as well as the treatment of traumatic injuries to the brain, spine and spinal cord.
Dr Kern is a member of the American Association of Neurological Surgeons (AANS) and the Congress of Neurological Surgeons (CNS). |
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DR. Sachin N. Shah Sachin N. Shah, M.D., is a neurosurgeon specializing in spinal surgery. He performs complex and revision spine surgery to treat conditions such as adult scoliosis, spinal deformities, spinal cord tumors and malformations. Dr. Shah is a member of the American Association of Neurological Surgeons (AANS), the Congress of Neurological Surgeons (CNS) and the American Association of Physicians of Indian Origin. He speaks fluent Hindi and Gujarati. |
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Dr. Vladimir Dadashev Vladimir Dadashev, M.D., is a neurosurgeon who specializes in the treatment of degenerative diseases of the spine and spine tumors. Dr. Dadashev utilizes both minimally invasive and traditional open approaches for the treatment of spinal stenosis, sciatica, disc herniation, fractures, spinal instability, and back pain. |
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Dr. John A. Grant John A. Grant, M.D., F.A.C.S., is a board certified neurosurgeon who specializes in pediatric neurosurgery, and has an interest in vascular neurosurgery and epilepsy surgery. He was educated at Belvedere College S.J., Dublin, Ireland and received his medical degree from the Medical School of the Royal College of Surgeons in Ireland, where has was an Arthur Jacob Scholar.
Dr. Grant is a member of the American Society of Pediatric Neurosurgeons, the European Society of Pediatric Neurosurgery, the International Society for Pediatric Neurosurgery, the American Association of Neurological Surgeons, the Congress of Neurological Surgeons, and the Nassau County Medical Society.
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DR. Zachariah M. George Zachariah M. George, M.D., is a neurosurgeon with special expertise in complex spinal surgery and minimally invasive surgery. He also has orthopedic spine deformity training, and treats pediatric and adult deformities such as scoliosis and kyphosis. Dr. George uses minimally invasive techniques such as cervical laminoplasty; cervical, thoracic and lumbar foramenotomy; microdiscectomy with tubular retractors, and spinal fusion via XLIF, DLIF and AXIA-LIF.
Dr. George is a member of the American Association of Neurological Surgeons and the Congress of Neurological Surgeons.
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DR. GERALD M. ZUPRUK Gerald M. Zupruk, M.D., F.A.A.N.S., is a board certified neurosurgeon who is skilled in adult neurological surgery. He treats conditions such as lumbar and cervical disc herniation, spine injuries, head trauma, and brain tumors.
Dr. Zupruk served as President of the Northampton County Medical Society (PA) 1999, and as President of the Tompkins County Medical Society (NY), June 2011-May, 2012. He is a member of the Congress of Neurological Surgeons, the American Association of Neurological Surgeons and the Medical Society of the State of New York
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| CONSULTING NEUROSURGEON | |
Dr. Mihai D. Dimancescu Mihai D. Dimancescu, M.D., F.A.A.N.S., is a board certified neurosurgeon with over 30 years of brain and spine surgery experience, frequently listed as one of America's top doctors in the Castle Connolly Directory. ................ |
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| ENDOVASCULAR NEURORADIOLOGIST | |
Dr. John Pile-Spellman John Pile-Spellman, M.D., F.A.C.R. is board certified in Radiology. He is recognized as an international leader in Interventional Neuroradiology, specializing in the diagnosis, management and treatment of cerebral aneurysms, strokes, tumors, vascular malformations and the development of innovative image-based services. Dr. Pile-Spellman is a member of more than 20 professional organizations and societies, including the American Society of Neuroradiology, World Federation of Interventional and Therapeutic Neuroradiology, New York Academy of Sciences, and the American College of Radiology
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Dr. Sundeep Mangla Sundeep Mangla, M.D., is board certified in radiology with Certificate of Advanced Qualification in Neuroradiology. Dr. Mangla has specialized in the field of interventional neuroradiology, where he has been a clinical and academic leader and researcher in the field for the last 15 years. |
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| NEURO-ONCOLOGISTS | |
Dr. Paul Duic Paul Duic, M.D., is a Neuro-Oncologist. He specializes in the medical management of brain tumors and spine tumors, including central nervous system (CNS) tumors, gliomas, metastatic tumors, and CNS lymphoma |
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Dr. Jai Grewal Jai Grewal, M.D., is a Neuro-Oncologist who specializes in the management of primary brain and spine tumors, Central Nervous System metastases, and neurological complications of cancer. |
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| NEURO-OPHTHALMOLOGIST | |
Dr. Scott Uretsky Scott Uretsky, M.D.,is a fellowship trained neuro-ophthalmologist with board certification in neurology (a diplomat of the American Board of Psychiatry and Neurology). Dr. Uretsky specializes in treatment of optic nerve disorders, visual disturbances and eye movement disorders of nervous system. These include neurological, ophthalmic and systemic diseases that impact the visual system. |
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| EPILEPSY NEUROLOGIST | |
Dr. Alan B. Ettinger Alan B. Ettinger, M.D., M.B.A., is a nationally-known epilepsy specialist who has dedicated his life to helping individuals with seizures and related disorders. Dr. Ettinger is the new Director of Epilepsy at Neurological Surgery, P.C. Dr. Ettinger is a graduate of the Boston University 6 Year Combined BA-MD program. He completed his neurology and EEG/Epilepsy fellowship training at the Albert Einstein College of Medicine. |
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| PAIN MANAGEMENT | |
Dr. Madan K. Raj Madan K. Raj, M.D., is a board certified Interventional Physiatrist who specializes in Pain Management and Physical Medicine and Rehabilitation. Dr. Raj practices interventional pain management, non-operative spine care, musculoskeletal medicine and general physiatry. |
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| NEURO-INTENSIVIST | |
Dr. Ivan Mikolaenko Ivan Mikolaenko, M.D., F.A.A.N., is a board certified neurologist with sub-specialty certification in neurocritical care, also known as a neurointensivist. He treats patients with critical neurological and neurosurgical problems. His special interest is in reducing secondary brain injury and improving recovery and functional ability in patients who have suffered from subarachnoid hemorrhage and severe traumatic brain injuries. Dr. Mikolaenko is a member of the American Academy of Neurology, the Neurocritical Care Society, and Johns Hopkins Medical and Surgical Association. |
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| NEUROPHYSIOLOGISTS | |
Dr. Joseph Moreira Joseph Moreira, M.D., is a Board Certified Neurologist, certified by the American Board of Psychiatry and Neurology, who specializes in intraoperative neurophysiology. This is the science of evaluating the integrity of the nervous system during various surgical procedures. Dr. Moreira has been published in numerous publications and has conducted extensive research. He has presented various techniques of intraoperative monitoring using transcranial motor-evoked potentials at the American Academy of Neurology (AAN) meetings. He is a member of AAN and the American Academy of Neuromuscular and Electrodiagnostic Medicine. |
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Dr. Puneeet Singh Puneet Singh, D.O., is a board certified neurologist, certified by the American Board of Psychiatry and Neurology, who specializes in intraoperative neurophysiology. This is the science of evaluating the integrity of the nervous system during various surgical procedures. Structures such as the brain, spinal cord, and peripheral nerves are evaluated and tested during any interventional procedure that may have put them at risk.
Dr. Singh is a member of the American Osteopathic Association and the American Academy of Neurology. |
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Dr. Marat Avshalumov Marat V. Avshalumov, Ph.D., is a neurophysiologist who specializes in the intraoperative monitoring of spinal cord and brain function during complicated surgical procedures that place the nervous system at risk. The timely neurophysiological assessments help in the identification of neural tissue and can warn of impending injury, thus permitting corrective action to be taken while the patient is still in the operating room.
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| NEUROPSYCHOLOGIST | |
Dr. Gad E. Klein Gad E. Klein, Ph.D., is a neuropsychologist who specializes in the cognitive aspects of various neurological disorders including epilepsy, movement disorders such as Parkinson’s disease, as well as brain tumors and dementia. Dr. Klein is also an expert in advanced neuro-imaging techniques such as functional MRI, as well as the intracarotid amobarbital test (Wada test) and electrocortical stimulation mapping.
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