

Oncology
Gregory Gagnon, MD
Medical Director in February 2010
Frederick, MD
Meet Dr. Greg GagnonDr. Greg Gagnon is a pioneer in CyberKnife® radiosurgery. He joined the FRHS CyberKnife® Center and Radiation Oncology Service as Medical Director in February 2010. Dr. Gagnon has extensive experience treating thousands of patients using radiation technology. Before joining FRHS in 2010, Dr. Gagnon spent the previous 20 years at Georgetown University's Department of Radiation Medicine, serving as Associate Professor of Radiation Oncology, acting Chair of the Department of Ra
40+
Years in Practice
Peer Recognition
- Castle Connolly — Top Doctor
2007-2026 (20 years)
Clinical Focus
Subspecialties
Radiation Oncology
Conditions & Treatments
Brain TumorsLiver CancerRadiation TherapyLung Cancer
Practice Details
Hospital Affiliations
- Frederick Health Hospital
Experience
40+ years in practice