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Gregory Zanieski, MD

Assistant Professor of Surgery (Oncology)


Dr. Gregory Zanieski recently joined Smilow Cancer Hospital at Waterford, and cares for patients with breast cancer. Dr. Zanieski received his Medical Degree from the State University of New York at Stony Brook School of Medicine and completed a fellowship in surgical oncology at the University of Pittsburgh Medical Center.

Prior to joining Yale, Dr. Zanieski was a breast oncology surgeon at Vassar Brothers Medical Center where he cared for patients using minimally invasive techniques to speed recovery and preserve normal tissue, when possible. Dr. Zanieski is a member of the Society of Surgical Oncology, the American College of Surgeons, and the American Society of Breast Surgeons. He joins Drs. Jason R. Haldas, Benjamin R. Newton, and Jane Kanowitz in caring for patients in Waterford, CT.

Education & Training

  • MD
    State University of New York (2002)

Departments & Organizations