Our Team

John C Chinault, M.D.

fredericksburg radiation John Chinault
  • Bachelor’s degree in physics, Furman University.
  • Masters degree in physics, Brown University
  • Senior Engineer, Westinghouse Nuclear Fuel Division
  • MD, University of South Carolina Medical School
  • Internship, Greenville Hospital System
  • Residency in Radiation Oncology, Eastern Virginia Medical School
  • Asst. Prof., Radiation Oncology, Eastern Virginia Medical School
  • Medical Dir., Radiation Oncology of Southside Regional Medical Center, Petersburg Virginia
  • Currently, Medical Dir., Department of Radiation Oncology at the Regional Cancer Center, Mary Washington Hospital.
  • Experienced in broad areas of radiation oncology including low-dose rate and high-dose rate brachii therapy, and radiosurgery (SRS/SBRT)

Mark Macedon, M.D.

fredericksburg radiation Mark Macedon

Dr. Mark Macedon grew up in the Chicago area where he attended the prestigious Illinois Mathematics and Science Academy before completing his undergraduate education at Northwestern University. He graduated from the University of Minnesota Medical School in 2003. After completing his internship at the Marshfield Clinic in Marshfield, WI, he then completed his residency at New York Methodist Hospital in Brooklyn, NY. During his residency, he also received training at Memorial Sloan Kettering Cancer Center in New York, NY; at Brigham & Women’s Hospital (part of Harvard University) in Boston, MA and at the University of Texas Southwestern Medical Center in Dallas, TX. Prior to joining Mary Washington Hospital and Stafford Hospital in 2011, he served as Assistant Professor of Radiation Oncology at the Medical College of Wisconsin in Milwaukee, WI.

His practice interests include general radiation oncology, head and neck cancer, breast cancer, and stereotactic body radiosurgery. He is a member of ASTRO(American Society for Radiation Oncology), ASCO(American Society for Clinical Oncology) , and the American Brachytherapy Society. He lives with his wife and daughter in Stafford, VA. His interests include classical music, travel, and outdoor recreation.


Medical School: University Of Minnesota Medical School
Internship: Marshfield Clinic/St. Joseph Hospital
Residency: New York Methodist
Undergraduate School: Northwestern University

Jeniffer L. Huhn, D.O.

fredericksburg radiation Jeniffer Huhn

Jeniffer L. Huhn, DO graduated from Kirksville College of Osteopathic Medicine – A.T. Still University in 1996 and had been in practice in the Lexington, KY area for 15 years before moving to Fredericksburg, VA in 2016. She previously practiced at Lexington Clinic in Richmond and Corbin KY. Prior to that, she was on faculty at the the University of Kentucky Medical Center.


D.O., Kirksville College of Osteopathic Medicine- A.T. Still University
Internship, Genesys Regional Medical Center and University of KY Medical Center
Residency in Radiation Oncology (Chief Resident), University of KY Medical Center
Assistant Professor, Radiation Oncology-University of KY Department of Radiation Medicine
Clinical research for University of Kentucky and Memorial Sloan Kettering Cancer Centers
Experienced in many areas of radiation oncology including low-dose rate and highdose rate brachytherapy, radiosurgery (SRS/SBRT), radiation therapy (IMRT/IGRT), Gamma Knife radiosurgery, and Papillon and External superficial techniques

Joseph Lee M.D., P.H.D.

fredericksburg radiation Joseph Lee

Dr. Joseph Lee completed his radiation oncology residency at the Mallinckrodt Institute of Radiology at Washington University in St Louis / Barnes-Jewish Hospital. His training at Washington University in St Louis included substantial work with prostate, lung, gynecologic, head/neck, breast, and gastrointestinal cancers. Dr. Lee is experienced with a range of radiation oncology techniques including intensity-modulated radiation therapy (IMRT), volumetric modulated arc therapy (VMAT), stereotactic body radiation therapy (SBRT) and stereotactic radiosurgery (SRS), high-dose rate (HDR) and low-dose rate (LDR) brachytherapy, and radiopharmaceuticals. Post-residency he has pursued additional training in stereotactic radiation therapy with the Radiosurgical Society and European Society for Radiotherapy & Oncology as well as advanced gynecologic, prostate and skin brachytherapy techniques with the American Brachytherapy Society.

Dr. Lee is a Virginia native and alumnus of Fairfax County Public Schools. He graduated with honors from Cornell University with a Bachelor of Science in Chemical Engineering and is a member of the Tau Beta Pi Honor Society. While at Cornell, he trained at the National Institutes of Health (NIH) in Bethesda, Maryland and at Merck Research Laboratories. He joined the Medical Scientist Training Program at the University of Minnesota, completing his M.D. and Ph.D. in biomedical engineering at the Center for Magnetic Resonance Research. During his M.D./Ph.D. studies, he was elected as a class officer for his medical school council and taught courses including cell biology for engineers, anatomy and physiology.

Dr. Lee is Board Certified in Radiation Oncology.