Mark E. Chisam, MD
Cancer Care, Radiation Oncology

After earning his medical degree from the Uniformed Services University of the Health Sciences, Dr. Chisam completed his residency at the National Cancer Institute. He is board certified by the American Board of Radiology with certification in the subspecialty of radiation oncology.
Intrigued by the biology and physics of radiation therapy to fight cancer, Dr. Chisam is also a recent cancer survivor himself, making him especially empathetic towards his patients. He specializes in image-guided radiation therapy, intensity-modulated radiation therapy for the head and neck, and treatments for skin, breast and prostate cancers.
Originally from Los Angeles, Dr. Chisam is a 24-year veteran of the U.S. Navy and was also trained as a nuclear engineer prior to his medical career. He is currently pursuing a master's degree in theology. Dr. Chisam and his wife have four adult children.
Locations
Riverside Radiation Oncology Specialists - Gloucester
7544 Medical Drive
Gloucester, VA
804-693-4900
Riverside Radiation Oncology Specialists - Williamsburg
3901 Treyburn Drive
B
Williamsburg, VA
757-220-4900
Medical School
Uniformed Services University of Health Sciences
Residency
National Cancer Institute-Surgery Branch
Board Certifications
American Board of Radiology
The Patient Rating score is an average of all responses to care provider-related questions from our leading, independent patient satisfaction research group.
Responses are measured on a scale of 1 to 5 with 5 being the best score.
Provider Listened Carefully
4.74Provider Gave Easy to Understand Instructions
4.68Provider Knew Medical History
4.63Recommend Provider's Office
4.88Provider Spent Enough Time
4.74Patient comments are gathered from our patient satisfaction survey and displayed in their entirety.