Gregory Biedermann, MD, is a radiation oncologist who has practiced in Columbia since 2009. He is an expert in treating head and neck cancer and brain tumors by using stereotactic radiosurgery, internal radiation therapy (brachytherapy) and theranostics. He sees both adults and pediatric patients. 

Dr. Biedermann is passionate about improving quality of treatment and quality of life in cancer patients. He is the primary investigator for several research trials that are run through cooperative groups or partnering with industry and strives to bring novel therapies to patients who benefit from new forms of cancer treatment.

Outside of work, Dr. Biedermann enjoys running and traveling.

Education & Training

Medical School

St. Louis University School of Medicine


Radiation Oncology

  • University of Virginia School of Medicine

Internal Medicine

  • Boston University Medical Center


American Board of Radiology/Radiation Oncology


MU Health Care participates with most major managed care organizations. To find out whether MU Health Care is a participating provider in your insurance plan or network, or for information on co-payments and deductibles, please contact your insurance carrier directly.

In the News

Professor Keeps Focus on Silver Lining After Pancreatic and Prostate Cancer (KRCG)
Dr. Biedermann Discusses Brachytherapy, a New Breast Cancer Treatment Options on KOMU

Academic Information

Assistant Professor of Radiation Oncology

Research Profile

Dr. Gregory Biedermann, MD, is a radiation oncologist trained in the specialized treatment of head and neck cancers and brain tumors through novel therapeutic approaches. He works closely with the Molecular Imaging and Theranostics Center (MITC) with the goals of developing novel and personalized imaging and radiopharmaceutical therapy to his patients.

Research Interests

  • Improvements in quality of life and quality of treatment for patients
  • Molecular imaging and theranostics
  • Clinical research trials to improve cancer treatment
  • Personalized imaging and radiopharmaceutical therapy

Areas of Expertise

  • Stereotactic radiosurgery
  • Brachytherapy
  • Theranostics


Download All Publications Download