Lisa Ann Kachnic, MD, FASTRO

Radiation Oncology
More specialties
Accepting New Patients
Virtual Visits/Telehealth
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Lisa A. Kachnic, MD, one of the nation’s leading radiation oncologists and a pioneer of new approaches to optimize the effectiveness of radiation therapy, has been named chief of the Radiation Oncology Service at NewYork-Presbyterian/Columbia University Irving Medical Center, and Professor and Chair of the Department of Radiation Oncology at Columbia University Vagelos College of Physicians and Surgeons. She also serves as Associate Director for Cancer Network Strategy in the Herbert Irving Comprehensive Cancer Center.

Dr. Kachnic’s combined focus on clinical excellence, technological innovation, and patient-centered research continues to advance the field of radiation oncology. She is widely recognized for gastrointestinal research that has transformed the standard of care for several cancers by integrating novel radiation delivery techniques.

A past president and current governor of the American Board of Radiology, Dr. Kachnic is internationally known for her clinical trial leadership positions in the National Cancer Institute and its cooperative group research bases. She currently serves as Vice Chair of the Radiation Oncology Committee and Co-Chair of the Ano-Rectal Subcommittee for the SWOG Cancer Research Network research base, for which she is the multi-modality executive officer.

Dr. Kachnic comes to Columbia from Vanderbilt University School of Medicine, where she was Chair of the Department of Radiation Oncology.

Areas of Expertise / Conditions Treated

  • 3D Conformal Radiotherapy
  • Anal Cancer
  • Biliary Tract Cancer
  • Colon Cancer
  • Esophageal Cancer
  • Gastric Cancer
  • Gastrointestinal Cancer
  • Intensity Modulated Radiotherapy (IMRT)
  • Liver Cancer
  • Palliative Radiotherapy
  • Pancreatic Cancer
  • Protons and Stereotactic Body Radiotherapy/Radiosurgery (SBRT)
  • Radiation Therapy
  • Rectal Cancer

Academic Appointments

  • Chu H. Chang Professor of Radiation Oncology

Administrative Titles

  • Chair, Department of Radiation Oncology
  • Associate Director for Cancer Network Strategy in the Herbert Irving Comprehensive Cancer Center

Hospital Affiliations

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


  • Female

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Virtual Visits/Telehealth

Virtual Visits allow you to connect with your provider from the comfort, convenience, and safety of your own home.

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Phone Appointments

New and Existing Patients:

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Insurance Accepted


  • Aetna Signature Administrators
  • EPO
  • HMO
  • Medicare Managed Care
  • NYP Employee Plan
  • NY Signature
  • POS
  • PPO
  • Student Health

Affinity Health Plan

  • Essential Plan
  • Medicaid Managed Care


  • Medicare Managed Care
  • Special Needs

Amida Care

  • Special Needs


  • EPO
  • Great West (National)
  • HMO
  • Medicare Managed Care
  • POS
  • PPO


  • Medicare Managed Care
  • PPO


  • ConnectiCare
  • EPO
  • HMO
  • POS
  • PPO
  • Select Care (Exchange)

*Please contact the provider’s office directly to verify that your particular insurance is accepted.

Credentials & Experience

Education & Training

  • MD, Tufts University
  • Residency: Harvard University

Board Certifications

  • Radiation Oncology
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