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Casey E. Duncan, MD

Casey E. Duncan, MD

Radiation Oncology

Crossroads Cancer Center

Dr. Casey Duncan, radiation oncologist, joined Cancer Care Specialists of Illinois, on July 1, 2015. Dr. Duncan primarily sees patients at Crossroads Cancer Center in Effingham and provides coverage at other CCSI radiation oncology centers as needed.

Dr. Duncan received his Doctor of Medicine degree from the Uniformed Services University of the Health Sciences (USUHS) in Bethesda, Maryland, in 1997. He completed a residency in Radiation Oncology with University of Iowa Hospitals and Clinics in 2009. Prior to that he completed both a residency in Family Medicine at the University of California – Davis Consortium at Travis Air Force Base in California in 2000 as well as the Northern California Faculty Development Fellowship through the University of California in San Francisco in 2004.

Dr. Duncan retired from the United States Air Force in July 2015 after 32 years of service. He most recently served as Deputy Chief of Radiation Oncology Services for the San Antonio Military Medical Center. His prior service also included serving as Program Director for the David Grant Medical Center at Travis Air Force Base and Chief of Radiation Oncology services at Wilford Hall Medical Center and San Antonio Military Medical Center. His numerous honors and awards include the National Defense Service Medal, Air Force Commendation Medal for Meritorious Service, Award for Academic Excellence (Association of Military Surgeons of the United States USUHS) and the Above & Beyond Award for Exceptional Medical Service.

Dr. Duncan is board certified by the American Board of Radiology – Radiation Oncology. In addition to his exemplary military career, Dr. Duncan has extensive teaching experience, participates in cooperative research groups and has served as Institutional Co-Principal Investigator for several research protocols and has a special interest in head and neck cancer. He also enjoys running, waterskiing and cooking. Dr. Duncan holds membership in the American Society of Therapeutic Radiology and Oncology, American Brachytherapy Society, American Radium Society, American Society of Clinical Oncology, and Radiologic Society of North America.

Radiation Oncology Residency
University of Iowa Hospitals and Clinics, Iowa City, IA, 2009

Northern California Faculty Development Fellowship, University of California, San Francisco, CA, 2004

Family Medicine Residency
University of California – Davis Consortium at Travis Air Force Base, CA, 2000

M.D., Uniformed Services University of the Health Sciences (USUHS), Bethesda, MD, 1997
B.S., Computer Science, University of Maryland, College Park, MD, 1989

Radiation Oncology – American Board of Radiology

American Society of Therapeutic Radiology & Oncology
American Brachytherapy Society
American Radium Society
American Society of Clinical Oncology
American College of Radiology
Radiologic Society of North America

ASCO Clinical Trials Participation Award, 2015

Madisonville, KY


Crossroads Cancer Center - Effingham, ILCrossroads Cancer Center
905 Medical Park Drive
Effingham, IL 62401
Phone: (217) 342-2066
Fax: (217) 342-2074
RT Fax: (217) 347-4923
Hours: M – F, 8:00 am – 4:30 pm

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