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Medical Services
Cancer Center Physicians
Radiation Oncologist | William E. Decker, M.D.
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Dr. Decker is a Board Certified Radiation Oncologist who is specially trained to treat cancer with the latest radiation therapy technology. He will work together with you to make decisions regarding your radiation therapy treatments based on your need. Dr. Decker, along with our team, will monitor your progress during the treatments and will follow you after you have completed your specifically designed course of care. |
Medical Oncologist, Hematologist | Scott Anderson, D.O.
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Scott Anderson, D.O., a board-certified oncologist and hematologist with Missouri Cancer Associates, serves the Fitzgibbon Community Cancer Center in Marshall. Dr. Anderson joined the cancer center as longtime physician Dr. Mark Tungesvik retired at the end of June 2026 after 20 years of dedicated service to the Marshall area. |
Medical Oncologist, Hematologist | Alexandre Tungesvik, M.D.
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Dr. Tungesvik is a Board Certified Medical Oncologist in addition to being board certified in Hematology and Internal Medicine. He is the son of longtime Fitzgibbon Community Cancer Center oncologist, Mark Tungesvik, M.D. |