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Elie Portnoy, M.D.

  • Assistant Professor of Radiology and Radiological Science

Languages: English, Hebrew


Endovascular Interventions, Image-Guided Interventional Procedures, Interventional Radiology, Minimally Invasive Interventions, Nuclear Medicine, Radiology, Trans-Radial Intervention, Urologic Interventions more

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Johns Hopkins Bayview Medical Center

Appointment Phone: 443-997-7237
4940 Eastern Avenue
Baltimore, MD 21224 map
Phone: 443-997-1811

The Johns Hopkins Hospital (Main Entrance)

Appointment Phone: 443-997-7237
1800 Orleans St.
Baltimore, MD 21287 map
Phone: 410-955-4100

Johns Hopkins Outpatient Center

Appointment Phone: 443-997-7237
601 N. Caroline St.
Baltimore, MD 21287 map
Phone: 410-955-4100


Dr. Elie Portnoy is an Assistant Professor of Radiology and Radiological Science in the Johns Hopkins Medicine Interventional Radiology Department and Diagnostic Imaging Department at Johns Hopkins Bayview Hospital.

Dr. Portnoy received his undergraduate degree in Biology from Yeshiva University. He earned his medical degree from NYU School of Medicine. He completed an internal medicine internship at North Shore-LIJ Hospital System in Long Island, NY. He completed a diagnostic radiology residency and performed an interventional radiology fellowship at Johns Hopkins Hospital. Dr. Portnoy joined the Johns Hopkins faculty in 2019.

Dr. Portnoy was awarded Hospital Radiology High Value Ambassador in 2016. He is a member of the American College of Radiology and Radiologic Society of North America. more


  • Assistant Professor of Radiology and Radiological Science

Departments / Divisions



  • MD; New York University School of Medicine (2012)


  • Radiology; Johns Hopkins University School of Medicine (2017)


  • Interventional Radiology; Johns Hopkins University School of Medicine (2018)

Board Certifications

  • American Board of Radiology (Interventional Radiology) (2019)

Research & Publications

Selected Publications

Portnoy E, Wadhwa V, Barbosa M, et al. Massive Pulmonary Embolism Thrombolysis: Early Clinical Markers of Treatment Efficacy. Journal of Clinical Interventional Radiology ISVIR. 2018;02(01):017-022. doi:10.1055/s-0038-1642108

Rosenkrantz AB, Matza BW, Portnoy E, Melamed J, Taneja SS, Wehrli NE. Impact of size of region-of-interest on differentiation of renal cell carcinoma and renal cysts on multi-phase CT: preliminary findings. Eur J Radiol. 2014;83(2):239-44.

Activities & Honors


  • Society of International Radiology
  • Radiological Society of North America

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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