Elie Portnoy, M.D.

Headshot of Elie Portnoy
  • Assistant Professor of Radiology and Radiological Science

Languages: English, Hebrew


Endoscopic Ultrasound Fine Needle Biopsy (EUS FNB), Endovascular Interventions, Hemodialysis Access, Image-Guided Biopsies, Image-Guided Interventional Procedures, Infection prevention and control, Interventional Radiology, Liver Biopsies, Minimally Invasive Interventions, Nuclear Medicine, Peritoneal Dialysis, Peritoneal Dialysis Catheter Placement, Pulmonary Embolism, Radiology, Thyroid Fine Needle Aspiration Biopsy, Transarterial Chemoembolization (TACE), Trans-Radial Intervention, Urologic Interventions, Uterine Fibroid Embolization, Venous Thromboembolism ...read more

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The Johns Hopkins Hospital (Main Entrance)

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

Johns Hopkins Medicine - Green Spring Station

Appointment Phone: 410-502-6611
10803 Falls Road
Pavilion III
Lutherville, MD 21093 map

Johns Hopkins Bayview Medical Center

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

Johns Hopkins Outpatient Center (now called Levi Watkins, Jr., M.D., 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 Hospital.

Dr. Portnoy received his undergraduate degree, Summa Cum Laude, in Biology from Yeshiva University. He earned his medical degree from NYU School of Medicine with Alpha Omega Alpha Honors Society Distinction. He completed an internal medicine internship at the North Shore-LIJ Hospital System in Long Island, NY. He then completed his diagnostic radiology residency and performed a subspecialty fellowship in interventional radiology at Johns Hopkins Hospital. Dr. Portnoy joined the Johns Hopkins faculty in 2017.

Dr. Portnoy's clinical specialty work and research has centered on interventions related to Submassive and Massive Pulmonary Embolism, as well as Uterine Artery and other visceral embolizations.

Dr. Portnoy was awarded Hospital Radiology High-Value Ambassador in 2016. He was voted both residency and fellowship Teacher of the Year in successive years. He is a member of the American College of Radiology, Society of Interventional Radiology and Radiologic Society of North America.

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  • Assistant Professor of Radiology and Radiological Science

Departments / Divisions

Centers & Institutes



  • 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.

Shiau MC, Portnoy E, Garay SM. Management of solitary pulmonary nodules.  Kanne JP, ed. Clinically Oriented Pulmonary Imaging. Respiratory Medicine. Humana Press; 2012:19-27

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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