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INFORMATION FOR

    Gregory Zanieski, MD, FACS

    Assistant Professor of Surgery (Oncology)
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    Assistant Professor of Surgery (Oncology)

    Biography

    Dr. Gregory Zanieski joined the Yale School of Medicine and Smilow Cancer Hospital in 2019 and cares for patients with benign or malignant breast disease. His clinical and surgical practice locations are at Smilow Cancer Hospital in New Haven and Shoreline Medical Center in Guilford. 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 in Poughkeepsie, NY for nearly ten years. Dr. Zanieski is a member of the Society of Surgical Oncology, the American College of Surgeons, and the American Society of Breast Surgeons.

    Appointments

    Education & Training

    MD
    State University of New York (2002)

    Research

    Research at a Glance

    Yale Co-Authors

    Frequent collaborators of Gregory Zanieski's published research.

    Publications

    2024

    2022

    2021

    Clinical Care

    Overview

    Gregory Zanieski, MD, is a breast oncology surgeon who treats patients with benign and malignant breast diseases.

    Dr. Zanieski is part of the surgical team at the Center for Breast Cancer at Smilow Cancer Hospital. He cares for patients using current breast surgical techniques, including breast conservation and immediate breast reconstruction, in collaboration with plastic surgery.

    He is an assistant professor of surgery (oncology) at Yale School of Medicine. Dr. Zanieski is a member of the Society of Surgical Oncology, the American College of Surgeons, and the American Society of Breast Surgeons.

    Clinical Specialties

    Breast Surgical Oncology

    Fact Sheets

    Board Certifications

    • Surgery General

      Certification Organization
      AB of Surgery
      Latest Certification Date
      2022
      Original Certification Date
      2008

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      Are You a Patient? View this doctor's clinical profile on the Yale Medicine website for information about the services we offer and making an appointment.