Johanna T Fifi, MD

img_Johanna T Fifi
PROFESSOR | Neurology
PROFESSOR | Neurosurgery
PROFESSOR | Diagnostic, Molecular and Interventional Radiology
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Specialties
Neurosurgery, Neurology, Radiology
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, Angiography and Interventional Radiology, MedStar Washington Hospital Center

Fellowship, Neuroradiology, Medstar Washington Hospital Center

Fellowship, Interventional 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

Individualized Treatment in Distal and Medium Vessel Occlusion Stroke Using a Validated Explainable Counterfactual Treatment Estimation Model. Mohamed F. Doheim, Mahmoud H. Mohammaden, Hend Abdelhamid, Marta Olive-Gadea, Marc Rodrigo-Gisbert, Manuel Requena, Johanna T. Fifi, James E. Siegler, Santiago Ortega-Gutierrez, Mohamad Abdalkader, Ali Alaraj, Wei Hu, Thanh N. Nguyen, Diogo C. Haussen, Raul G. Nogueira. Annals of Neurology

Balloon guide catheter impact on angiographic and clinical outcomes in distal medium vessel occlusion stroke thrombectomy. Mahmoud H. Mohammaden, Mohamed F. Doheim, Jaydevsinh Dolia, Hend Abdelhamid, Stavros Matsoukas, Braxton Riley Schuldt, Johanna T. Fifi, Okkes Kuybu, Alhamza R. Al-Bayati, Marta Olive Gadea, Marc Rodrigo-Gisbert, Manuel Requena, Andre Monteiro, Adnan Siddiqui, Felipe Ferreira, Ayman Gamea, Siyuan Yu, James E. Siegler, Milagros Galecio-Castillo, Leonardo Cruz-Criollo, Santiago Ortega-Gutierrez, Gustavo M. Cortez, Ricardo A. Hanel, Ameer E. Hassan, Thanh N. Nguyen, Mohamad Abdalkader, Piers Klein, Mohamed M. Salem, Jan Karl Burkhardt, Brian Jankowitz, Marco Colasurdo, Peter Kan, Muhammad Hafeez, Omar Tanweer, Sophia Peng, Jonathan A. Grossberg, Ali Alaraj, Raul G. Nogueira, Diogo C. Haussen. Journal of NeuroInterventional Surgery

Endovascular thrombectomy for large vessel occlusion stroke in patients with pre-existing disability. Sai Polineni, Amol Mehta, Lisa Ramirez, Daryl Goldman, Preethi Reddi, Ayesha Hashmi, Christopher Paul Kellner, Reade Andrew De Leacy, Johanna T. Fifi, J. Mocco, Shahram Majidi. Journal of NeuroInterventional Surgery

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 2025 and/or 2026. 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

  • Stryker Corporation
  • Penumbra, Inc.
  • Siemens Medical Solutions
  • Philips Image Guided Therapy Corporation
  • 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
  • Precision Recovery
  • 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.