Mark McDonald, MD


Titles and Roles

Associate Professor, Department of Radiation Oncology
Emory University School of Medicine
Medical Director
Emory Proton Therapy Center
Associate Director, Residency Program, Department of Radiation Oncology
Emory University School of Medicine
Radiation Oncologist
Brain and Spine Tumors
Colorectal Cancer
Esophageal Cancer
Head and Neck Cancer
Liver Cancer
Lung Cancer
Pancreatic Cancer
Stomach Cancer
Research Program
Cancer Prevention and Control


Mark McDonald, MD, is a board certified radiation oncologist in the Department of Radiation Oncology at Emory University School of Medicine in Atlanta, GA. Dr. McDonald practices general radiation oncology and specializes in the treatment of head and neck, gastrointestinal and lung cancers, skull base tumors, and tumors of the brain and spine. He serves as the Medical Director of the Emory Proton Therapy Center set to open in late 2018. He has extensive experience with proton therapy, a specialized form of radiation therapy. He treats patients at Emory University Hospital Midtown.

Dr. McDonald is the associate director of the residency program in the Department of Radiation Oncology. He is actively involved in teaching and research activities for the residency program and for rotating medical students.

In 2017, Dr. McDonald was selected to the Emory Medicine Professional Leadership Enrichment and Development Program.

Prior to joining Emory in 2015, Dr. McDonald worked at the Indiana University Health Proton Therapy Center, providing proton therapy primarily to patients with skull base, head and neck, and brain tumors.


Dr. McDonald completed his medical school education at The Ohio State University and his residency training at Emory University School of Medicine, where he served as chief resident.


Dr. McDonald's clinical research focuses on the use of advanced radiation technologies with a special interest in patient outcomes and side effects of treatment. In his past role at Indiana University, he developed and served as principal investigator for a prospective registry for proton therapy clinical outcomes and long-term follow-up. This protocol created a framework to ensure continuity of follow-up and quality outcomes data for patients, and expanded the use of proton therapy to patients with a wider array of diagnoses.


Dr. McDonald has authored and coauthored over 40 research publications and other peer-reviewed articles. He has presented numerous abstracts and served as a faculty member at many national and international scientific meetings. He is frequently invited to be a speaker on proton therapy.

  • PublicationsPublication Date


Dr. McDonald is a past recipient of the Young Oncologist Essay Award from the American Radium Society, and the Roentgen Resident/Fellow Research Award from the Radiological Society of North America. His research has been recognized in the clinical practice guidelines of the National Comprehensive Cancer Network, and the Database of Abstracts of Reviews of Effects, a repository of quality systematic reviews that evaluate the effects of healthcare interventions.

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