
Viviane Tabar, MD
Neurosurgeon
Titles
Chair, Department of Neurosurgery; Theresa Feng Chair in Neurosurgery
Clinical Expertise
Brain Tumor Surgery; Glioblastoma; Glioma; Intra-Operative Mapping; Pituitary Tumors (Adenomas, Microadenomas, Macroadenomas); Endoscopic Surgery for Pituitary and Skull Base Tumors (Minimally Invasive Surgery); Intraoperative MRI; Skull Base Tumors (Meningiomas, Craniopharyngiomas, Chordomas); Metastatic Tumors
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New Patient Appointments
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Dr. Tabar accepts the following list of insurance providers. Select your insurance provider to see more details.
Payor Type: Commercial
In Network Coverage Type(s): HMO, EPO PPO, POS, Transplant
Payor Type: Medicare/Medicare Advantage
In Network Coverage Type(s): PPO
Payor Type: Commercial
In Network Coverage Type(s): HMO, PPO
Payor Type: Commercial
In Network Coverage Type(s): PPO, POS, EPO, HMO
Payor Type: Commercial
In Network Coverage Type(s): HMO, EPO PPO, POS
Payor Type: Medicaid/Managed Medicaid
In Network Coverage Type(s): HMO
Payor Type: Commercial
In Network Coverage Type(s): Supplemental
Payor Type: Commercial
In Network Coverage Type(s): PPO, POS, HMO
Payor Type: Commercial
In Network Coverage Type(s): POS, EPO, HMO
Payor Type: Commercial
In Network Coverage Type(s): PPO, POS, EPO, HMO
Payor Type: Medicaid/Managed Medicaid
In Network Coverage Type(s): HMO
Payor Type: Medicare/Medicare Advantage
In Network Coverage Type(s): PPO, HMO
Payor Type: Medicare/Medicare Advantage
In Network Coverage Type(s): PPO, HMO, DSN
Payor Type: Medicaid/Managed Medicaid
In Network Coverage Type(s): HMO
Payor Type: Commercial
In Network Coverage Type(s): PPO
Payor Type: Commercial
In Network Coverage Type(s): HMO, EPO
Payor Type: Medicaid/Managed Medicaid
In Network Coverage Type(s): HMO
Payor Type: Medicare/Medicare Advantage
In Network Coverage Type(s): HMO
Payor Type: Medicare/Medicare Advantage
In Network Coverage Type(s): PPO
Payor Type: Commercial
In Network Coverage Type(s): EPO, HMO, PPO, POS
Payor Type: Medicaid/Managed Medicaid
In Network Coverage Type(s): HMO
Payor Type: Medicare/Medicare Advantage
In Network Coverage Type(s): HMO, PPO
Payor Type: Commercial
In Network Coverage Type(s): PPO EPO
Payor Type: Commercial
In Network Coverage Type(s): HMO
Payor Type: Commercial
In Network Coverage Type(s): PPO
Payor Type: Commercial
In Network Coverage Type(s): EPO
Payor Type: Commercial
In Network Coverage Type(s): EPO
Payor Type: Medicare/Medicare Advantage
In Network Coverage Type(s): PPO, HMO
Payor Type: Medicaid/Managed Medicaid
In Network Coverage Type(s): State Government
Payor Type: Commercial
In Network Coverage Type(s): PPO, POS, EPO
Payor Type: Medicaid/Managed Medicaid
In Network Coverage Type(s): State Government
Payor Type: Medicaid/Managed Medicaid
In Network Coverage Type(s): State Government
Payor Type: Medicare/Medicare Advantage
In Network Coverage Type(s): Federal Government
Payor Type: Commercial
In Network Coverage Type(s): Supplemental
Payor Type: Commercial
In Network Coverage Type(s): PPO/OAP
Payor Type: Other
In Network Coverage Type(s): PPO, POS, EPO, HMO
Payor Type: Medicare/Medicare Advantage
In Network Coverage Type(s): TBD
Payor Type: Commercial
In Network Coverage Type(s): HMO/EPO
Payor Type: Commercial
In Network Coverage Type(s): PPO, EPO
Payor Type: Commercial
In Network Coverage Type(s): State Government
Payor Type: Commercial
In Network Coverage Type(s): PPO, POS, HMO
Payor Type: Commercial
In Network Coverage Type(s): PPO, HMO
Payor Type: Commercial
In Network Coverage Type(s): PPO, POS
Payor Type: Commercial
In Network Coverage Type(s): PPO, POS, HMO
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Contact and Location
- Speaks English and French

Memorial Sloan Kettering has locations throughout New York City, Long Island, New Jersey, and Westchester. These locations offer many services, including screening, chemotherapy, and medical testing.
See all locationsAbout Me
Education
MD, American University of Beirut
Residencies
General Surgery - Case Western Reserve University; Neurosurgery - University of Massachusetts
Fellowships
Neurosurgical Oncology - Memorial Sloan Kettering Cancer Center
Board Certifications
American Board of Neurological Surgery
I am a neurosurgeon and a stem cell biologist. I care for patients with primary brain tumors (such as glioblastomas and astrocytomas); tumors of the skull lining or skull base (meningiomas and chordomas); tumors of the pituitary gland; and tumors that have spread to the brain from other parts of the body (brain metastases). I see several hundred patients and perform more than 250 procedures each year.
Read more
I also specialize in “mapping” the brain during surgery to identify the regions that control language, movement, and memory. This allows me to remove tumors more precisely while sparing as much tissue as possible near these important areas.
I helped establish the Multidisciplinary Pituitary & Skull Base Tumor Center at Memorial Sloan Kettering. It brings together surgeons, endocrinologists (doctors who study hormones), and neuro-ophthalmologists (neurologists who specialize in vision problems) to care for patients using state-of-the-art nonsurgical techniques. We also perform MRI during surgery, which makes operations safer and more thorough.
My goal is to provide the best possible surgical care for my patients. I listen intently to them and their family members so I can help relieve their anxiety. After a comprehensive discussion, I aim to provide a clear plan of action as well as a hopeful outlook. I work with a terrific nurse and office assistant who ensure that any plans are implemented efficiently and properly followed up on.
I am also a scientist. In my research laboratory at Memorial Hospital, I study the potential use of stem cells to repair brain tissue after the brain is injured by radiation or degenerative diseases such as Parkinson’s. My lab also models brain tumors.
Outside of the office, I like to read, ski, listen to or attend classical music and opera, and spend time with my family.
Awards and Honors
- Castle Connolly: America's Top Doctors (2023)
- American Brain Tumor Association Young Investigator Award (2016)
- Preuss Award Tumor section, American Association of Neurological Surgeons (2010)
- Castle Connolly: New York Magazine Best Doctors (2014-2020)
- Castle Connolly: Top Doctors New York Metro Area (2012-2020)
- Super Doctors, New York Times Magazine (2011-2016)
- Member, National Academy of Medicine
Colleagues
Doctors at Memorial Sloan Kettering work as teams, with specialists from all different areas. This allows us to consider all your needs together, and to give you the best possible care.
Clinical Trials
- Clinical Trials Co-Investigated by Dr. Tabar
- A Phase II Study of Cs-131 Brachytherapy for People with Brain Metastases that Have Recurred
- A Phase II Study of Nivolumab plus Ipilimumab Immunotherapy in Patients with Aggressive Pituitary Tumors
- Collecting Information about Treatment Results from Patients with Cushing's Syndrome

Memorial Sloan Kettering's doctors and scientists are constantly developing new treatments for cancer. MSK is typically running hundreds of clinical trials at a given time.
You may be able to participate in a clinical trial even if you are new to MSK. Search our online directory to find trial information and see more about who can participate.
Search clinical trialsResearch and Publications
Visit PubMed for a full listing of Dr. Tabar’s journal articles. Pubmed is an online index of research papers and other articles from the US National Library of Medicine and the National Institutes of Health.
See all on PubMedPatient Reviews
At MSK, we’re committed to delivering the best care to every patient. We use feedback from our patients to continue to improve our care. We also post patient reviews online to help you make healthcare choices. Learn more about our patient experience reviews.
Disclosures
Doctors and faculty members often work with pharmaceutical, device, biotechnology, and life sciences companies, and other organizations outside of MSK, to find safe and effective cancer treatments, to improve patient care, and to educate the health care community.
MSK requires doctors and faculty members to report (“disclose”) the relationships and financial interests they have with external entities. As a commitment to transparency with our community, we make that information available to the public.
Viviane Tabar discloses the following relationships and financial interests:
-
American University of Beirut
Fiduciary Role/Position
-
BlueRock Therapeutics
Provision of Services
If you’re a patient at MSK and would like more information about your doctor’s external relationships, please talk with your doctor.
The information published here is for a specific annual disclosure period. There may be differences between information on this and other public sites as a result of different reporting periods and/or the various ways relationships and financial interests are categorized by organizations that publish such data.
This page and data include information for a specific MSK annual disclosure period (January 1, 2021 through disclosure submission in spring 2022). This data reflects interests that may or may not still exist. This data is updated annually.
Learn more about MSK’s COI policies here. For questions regarding MSK’s COI-related policies and procedures, email MSK’s Compliance Office at [email protected].