Johanna T Fifi, MD
img_Johanna T Fifi
PROFESSOR | Neurology
PROFESSOR | Neurosurgery
PROFESSOR | Diagnostic, Molecular and Interventional Radiology
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Specialties
Neurology, Radiology, Neurosurgery
Research Topics
Brain Imaging, Stroke

MD, Boston University School of Medicine

Internship, Internal Medicine, Thomas Jefferson University Hospital

Residency, Neurology, Thomas Jefferson University Hospital

Fellowship, Vascular Neurology, National Institutes of Health, NIH

Fellowship, Interventional Neuroradiology, Medstar Washington Hospital Center

Fellowship, Angiography and Interventional Radiology, MedStar Washington Hospital Center

Fellowship, Neuroradiology, Medstar Washington Hospital Center

Fellowship, Neuroradiology, Columbia University Neuroradiology Fellowship

Fellowship, Interventional Neuroradiology, Columbia University Neuroradiology Fellowship

Fellowship, Endovascular Neurosurgery, Mount Sinai West

Certifications

American Board of Neurological Surgery
American Board of Psychiatry and Neurology

2015

Top Doctors

2015

Super Doctors

Publications

Selected Publications

Comparison of thrombectomy alone versus bridging thrombolysis in a US population using regression discontinuity analysis. Youngran Kim, Sergio Salazar-Marioni, Rania Abdelkhaleq, Ananya Iyyangar, Diogo Haussen, Jonathan Grossberg, Jaydevsinh Dolia, Aqueel Pabaney, Mahmoud Mohammaden, Ameer Hassan, Wondwossen Tekle, Hamzah Saei, Mohamad Abdalkader, Piers Klein, Taha Nisar, Adeel Saleemi, Shahram Majidi, Johanna Fifi, Gabrielle Valestin, Guillermo Linares, Kara Christopher, David S. Liebeskind, Mouhammad Jumaa, Syed Zaidi, Raul Nogueira, Brijesh Mehta, Joy Sessa, Juan Vivanco-Suarez, Aaron Rodriguez-Calienes, Milagros Galecio-Castillo, Santiago Ortega-Gutierrez, James Siegler, Mary Penckofer, Italo Linfante, Sunil A. Sheth. Scientific Reports

Association of Ischemic Core Hypodensity with Thrombectomy Treatment Effect in Large Core Stroke: A Secondary Analysis of the SELECT2 Randomized Controlled Trial. Vignan Yogendrakumar, Bruce C.V. Campbell, Hannah T. Johns, Leonid Churilov, Felix C. Ng, Clark W. Sitton, Ameer E. Hassan, Michael G. Abraham, Santiago Ortegagutierrez, M. Shazam Hussain, Michael Chen, Scott E. Kasner, Gagan Sharma, Prodipta Guha, Deep K. Pujara, Faris Shaker, Maarten G. Lansberg, Lawrence R. Wechsler, Thanh N. Nguyen, Johanna T. Fifi, Michael D. Hill, Marc Ribo, Mark W. Parsons, Stephen M. Davis, James C. Grotta, Gregory W. Albers, Amrou Sarraj. Stroke

Acute Ischemic Stroke and Endovascular Thrombectomy During COVID-19 Pandemic: A Nationwide Analysis. Preethi Reddi, Amol Mehta, Trevor Hardigan, Milad Shafizadeh, Christopher P. Kellner, Neha S. Dangayach, Johanna T. Fifi, J. Mocco, Shahram Majidi. Neurosurgery Practice

View All Publications

Anterior Ethmoidal Fistula: Transvenous Balloon Assisted Approach

Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their outside financial relationships.

Below are financial relationships with industry reported by Dr. Fifi during 2024 and/or 2025. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.

Consulting or Other Professional Services Examples include, but are not limited to, committee participation, data safety monitoring board (DSMB) membership

  • Microvention Inc.
  • Stryker Corporation
  • MIVI Neuroscience
  • Siemens Medical Solutions
  • Cerenovus
  • Medtronic, Inc

Equity (Stock or stock options valued at greater than 5% ownership of a publicly traded company or equity of any value in a privately held company)

  • Sim&Cure
  • Borvo Medical Inc
  • Bendit
  • EndoStream Medical Ltd.
  • Q'Apel Medical
  • ImperativeCare, Inc.
  • Radical
  • Synchron, Inc.

Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.