Adam Riker, M.D. – Chair of Oncology – Surgical Oncology


Adam I. Riker, MD, is the chair of Oncology at Anne Arundel Medical Center’s (AAMC), Geaton and JoAnn DeCesaris Cancer Institute (DCI).

Dr. Riker is board-certified in general surgery and fellowship-trained as a surgical oncologist. His clinical specialty is focused on patients with breast cancer, sarcoma, melanoma and non-melanoma skin cancers (Merkel cell, basal cell and squamous cell carcinoma). He has participated in numerous cancer clinical trials examining optimal immunotherapy treatment regimens for several types of cancer. He has presented his clinical and translational research findings at numerous scientific meetings, both nationally and internationally. Dr. Riker is widely published, with over 150 peer-reviewed publications, and has written two educational textbooks, the first entitled, “Breast Disease: Comprehensive Management,” in 2014, and the second in 2018, entitled, “Melanoma: A Modern Multidisciplinary Approach.” He is currently working on his third book, which will highlight the importance of living a “healthy lifestyle” through optimal nutrition, as the ultimate way to fight, prevent and even reverse disease (such as diabetes and auto-immune disease) including cancer.

Dr. Riker completed his undergraduate studies and medical school at the University of South Florida in Tampa. He then went on to complete his residency program in general surgery at Loyola University Medical Center in Chicago, as well as a three-year surgical oncology fellowship at the National Institutes of Health, National Cancer Institute, Surgery Branch in Bethesda, Maryland. Dr. Riker comes to AAMC from Louisiana State University (LSU), School of Medicine (SOM), where he served as professor of surgery, in the Department of Surgery, and chief for the Division of Surgical Oncology. He also was the medical director for the cancer service line at the flagship hospital, University Medical Center-New Orleans, LCMC Health. Prior to this, he has held numerous clinical and academic appointments within the United States, and internationally, in both China and Australia.

Dr. Riker is also passionate about getting to know the communities that we live in, providing free community outreach events, educational seminars and presentations. His favorite topics range from, “What causes cancer?,” “The early detection and prevention of cancer,” and “Living a long, happy, cancer-free life through better nutrition and lifestyle changes.”

Dr. Riker is a proud veteran of the Armed Forces, enlisting at a young age and serving in the United States Army, and later on as a commissioned officer in the Public Health Service. Outside of work, he is an avid runner and enjoys fishing, hunting, reading, writing and traveling abroad to learn more about international models of healthcare delivery.


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