Gregory Fischer, MD


Chair, Department of Anesthesiology & Critical Care Medicine

Gregory Fischer, MD
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About Me

I am a board-certified anesthesiologist with specialty training in cardiothoracic anesthesia and critical care medicine. I specialize in providing anesthetic care for people undergoing surgical procedures for all forms of cancer located within the chest cavity.

In addition to my clinical responsibilities, I serve as Chair of the Department of Anesthesiology & Critical Care Medicine, overseeing all aspects of perioperative medicine at Memorial Sloan Kettering Cancer Center throughout our patients’ care. Our team conducts an initial visit at our preoperative clinic, during which they assess patients’ medical condition and devise a tailored anesthetic plan. During surgery, we offer compassionate and astute intraoperative care. And throughout the postoperative recovery period, we provide superb medical management and pain relief. 

My academic interests include intraoperative ultrasound imaging of the heart and other organs in the chest, noninvasive monitoring of brain oxygen levels during surgical procedures (cerebral oximetry), and utilizing large databases to answer perioperative medical management questions.

I have been an invited lecturer and visiting professor at many of the finest departments of anesthesiology in the United States and abroad. Over the course of my career I have delivered approximately 150 lectures, co-authored 70 peer-reviewed publications, written numerous book chapters on topics related to anesthesiology and critical care medicine, and served as co-editor of a textbook on perioperative transesophageal echocardiography. I am also involved in education and training of future anesthesiologists both at MSK as well as at regional and national academic society meetings.

  • Languages Spoken: English; German
  • Education: MD, University of Zurich (Switzerland)
  • Residencies: Kantonsspital Aarau and Stadtspital Triemli (Switzerland)
  • Fellowships: Mount Sinai Medical Center
  • Board Certifications: Anesthesiology; Intensive Care


Visit PubMed for a full listing of Gregory Fischer’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. Medicare and New York State Medicaid also provide benefits for care at MSK.

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