
Peter F. Orio, DO, MS
Contact Information
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Biography
Peter F. Orio, DO, MS
Dr. Orio is the Chair of the Department of Radiation Oncology at Dana-Farber Cancer Institute. For the past ten years, he served as the Vice Chair of Network Operations for Radiation Oncology, where he guided the growth of the department to ensure high-quality care through the standardization of clinical practice, program implementation, and staff mentoring.
Dr. Orio received his bachelor's degree from the College of the Holy Cross, his master’s degree in public health from the University of Massachusetts Amherst, and his medical degree from the University of New England College of Osteopathic Medicine. He previously served in the U.S. Army as the Assistant Chief of Radiation Oncology at Brooke Army Medical Center.
During his time in the military, Dr. Orio attended numerous officer leadership schools, was awarded the Meritorious Service Medal, and rose to the rank of lieutenant Colonel. He joined Dana-Farber Brigham Cancer Center and the faculty of Harvard Medical School (HMS) in 2010. Dr. Orio is a Past President of the American Brachytherapy Society and a past RUC member for the American Society of Radiation Oncology.
Researcher
Physician
Clinical Interests
Genitourinary malignancies, Prostate brachytherapy, Prostate cancer
Board Certification
- Radiation Oncology, 2007
Residency
- University of Washington Medical Center, Radiation Oncology
Medical School
- University of New England College of Osteopathic Medicine
Locations

Dana-Farber Cancer Institute
450 Brookline Avenue Boston, MA 02215
Dana-Farber Brigham Cancer Center at South Shore Health
101 Columbian Street South Weymouth, MA 02190
Dana-Farber Brigham Cancer Center at South Shore Health
51 Performance Drive Weymouth, MA 02189Dana-Farber Cancer Institute

Dana-Farber Cancer Institute
450 Brookline Avenue Boston, MA 02215Dana-Farber Brigham Cancer Center at South Shore Health

Dana-Farber Brigham Cancer Center at South Shore Health
101 Columbian Street South Weymouth, MA 02190Dana-Farber Brigham Cancer Center at South Shore Health
