Andrew L Callen MD

Dr. Andrew L Callen is an Associate Professor of Radiology and Neurology at the University of Colorado School of Medicine. Dr. Callen is the founder and Director of the CU CSF Leak Program, the first multidisciplinary center in Colorado dedicated to the diagnosis and treatment of CSF leaks.

Dr. Callen completed his MD at the University of California, San Francisco, School of Medicine in 2014, after earning a BS from the University of California, San Diego, in 2010. Following an internship with Kaiser Permanente in San Francisco (2015), Dr. Callen completed both his residency (2019) and fellowship (2020) in neuroradiology at the University of California, San Francisco.

Dr. Callen has published extensively, including over 70 manuscripts, with more than 40 publications focusing on CSF dynamics and spinal CSF leaks. He is also the inventor of a novel patient positioning device for dynamic CT myelography, which enhances diagnostic accuracy for CSF leaks.

In addition to his research, Dr. Callen is a founding member of the International Spinal CSF Leak Society and serves on the medical advisory boards for the U.S. and Canadian Spinal CSF Leak Foundations. He is the Course Director of the annual Spinal CSF Leak: Bridging the Gap conference, a unique event that integrates patient narratives with expert insights to drive innovation in CSF leak diagnosis and treatment.