About Me

As an interventional radiologist, I use medical imaging technology such as X-ray, CT and PET scan, ultrasound, and MRI to perform minimally invasive procedures, which involve making very small incisions in the skin with special needles and catheters. These allow for faster recovery, and most can be performed on an outpatient basis.

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At Memorial Sloan Kettering, I apply these techniques to provide certain cancer treatments, such as tumor ablation (burning or freezing tumors) or embolization (targeting or redirecting the blood supply to the tumors). Other services I provide include image-guided biopsies, which help us understand the type and behavior of tumors; placement of temporary and long-term venous catheters such as ports that facilitate the delivery of treatments; and placement of drainage catheters, which can be used to treat abscesses or to relieve fluid buildup in the chest or abdomen or treat obstructions that are caused by tumors.

My clinical and research interests are in improving procedural outcomes, particularly following pulmonary interventions.

I received my medical degree from the American University of Beirut Medical Center, in Lebanon, where I also completed a general internal medicine internship and a residency in diagnostic radiology. This was followed by a two-year interventional oncology fellowship at MSK, after which I joined the interventional radiology service staff.

  • Clinical Expertise: Image-guided procedures including percutaneous tumor ablation; tumor embolization; image guided biopsy; venous access; biliary interventions
  • Languages Spoken: English; Arabic; French
  • Education: MD, American University of Beirut
  • Residencies: American University of Beirut Hospital
  • Fellowships: Memorial Sloan Kettering Cancer Center

New Patient Appointments

Making an appointment

Call 212-639-3961


Visit PubMed for a full listing of Nadim Muallem’s journal articles

Pubmed is an online index of biomedical articles maintained by the U.S. National Library of Medicine and the National Institutes of Health.

Clinical Trials

As home to one of the world’s top cancer research centers, Memorial Sloan Kettering is typically involved in more than 900 clinical trials at a given time. Currently, clinical trials focused on the conditions I treat are enrolling new patients. If you’re interested in joining a clinical trial, click to learn about the trial’s purpose, eligibility criteria, and how to get more information.

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Most major health insurers offer plans that include MSK as one of their in-network providers. If MSK is in-network, it means all our doctors are too. Medicaid and New York State Medicare also provide benefits for care at MSK.

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