Leah M Katz, MD, MPH

Radiation Oncology
Accepting New Patients
Virtual Visits/Telehealth
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Leah M. Katz, MD, MPH is a board-certified radiation oncologist at NewYork-Presbyterian Hudson Valley Hospital and assistant professor of radiation oncology at Columbia University Irving Medical Center. She sees patients at NewYork-Presbyterian Hudson Valley Hospital Cheryl Lindenbaum Comprehensive Cancer Center in Peekskill, New York. Dr. Katz actively treats breast cancer, offering intraoperative radiation therapy (IORT,)which is a single fraction of radiation delivered at the time of one's breast surgery for early stage breast cancer. She also treats gynecological, gastrointestinal, and lung cancers, as well as lymphomas. For lung cancer, she is able to offer the advanced technique of stereotactic radiation therapy (SBRT.)She also offers palliative radiation oncology for metastatic disease. Dr. Katz leads the clinical trial program at Hudson Valley Hospital, partnering with Columbia University Medical Center to offer the patients the best advancements in care.

Areas of Expertise / Conditions Treated

  • 3D Conformal Radiotherapy
  • Cancer Treatment
  • Gastrointestinal Cancer
  • Gynecologic Cancer
  • Intensity Modulated Radiotherapy (IMRT)
  • Intraoperative Radiation
  • Lung Cancer
  • Lymphoma
  • Palliative Radiotherapy
  • Protons and Stereotactic Body Radiotherapy/Radiosurgery (SBRT)
  • Radiation Therapy
  • Stereotactic Body Radiotherapy

Academic Appointments

  • Assistant Professor of Radiation Oncology at CUMC

Hospital Affiliations

  • NewYork-Presbyterian / Columbia University Irving Medical Center
  • NewYork-Presbyterian Hudson Valley Hospital
  • NewYork-Presbyterian Westchester


  • Spanish


  • Female

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Virtual Visits/Telehealth

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Phone Appointments

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Credentials & Experience

Education & Training

  • Tulane Medical School, Tulane Medical School
  • Internship: Montefiore New Rochelle Hospital
  • Residency: New York University Langone Medical Center

Board Certifications

  • Radiation Oncology

Honors & Awards

Dr. Katz and colleagues received an NRG Oncology grant to study sexual health in underrepresented women receiving pelvic radiation in 2021, and more recently was awarded a grant in 2022 to help women reduce the toxicities of breast cancer treatment.