Dr. James Ahlgren
Professor of Medicine and Pharmacology

James Ahlgren, MD is board-certified in Internal Medicine and Medical Oncology.  His current positions include a medical oncologist specializing in gastrointestinal, pancreatic, and hepatobiliary cancer.  He is also a professor with The George Washington University School of Medicine & Health Sciences.

Dr. Ahlgren has been a part of The George Washington University faculty for over 20 years. He is former chairman of the Mid-Atlantic Oncology Program, an NCI-sponsored consortium of university and private oncology practices which carried out cooperative clinical research in cancer treatment. He is co-author of the textbook Gastrointestinal Oncology (McGraw-Hill) and has over 50 published papers on gastrointestinal oncology. He is the recipient of several awards in medicine and cancer research.

Dr. Ahlgren received his undergraduate degree from MIT and practiced engineering almost 20 years before beginning his medical education. He left the presidency of Telcom Inc. a local telecommunications engineering and consulting firm, to enter medical school in 1973.  He received his MD degree from Georgetown University where he also completed his residency and fellowship in medical oncology.  He was formerly a faculty member at Georgetown University before joining The George Washington University in 1988.

In 1993, Dr. James Ahlgren  in collaboration with Dr. Michel Caudry organized the International Conference on Gastrointestinal Oncology, an annual congress which continues to present new research findings at meetings which alternate between the US and France. Dr. Ahlgren’s research interests are in gastrointestinal oncology, neuroendocrine tumors, and the molecular mechanisms of anticancer drugs.

Dr. Ahlgren is a US News & World Report ‘Top Doctor’ and in Castle Connolly's estimation, is among the top 1% in the nation in cancer and blood disorders!


Cancer & Blood Disorders


Gastrointestinal Cancer


Georgetown University School of Medicine


Oncology, Medical, Internal Medicine


Georgetown University Hospital Medical Oncology