John L. Allen, M.D. received his Doctorate of Medicine from the University of Nebraska Medical Center. He completed his residency in Diagnostic Radiology in 1999 and completed his fellowship in Interventional Radiology in 2000. Dr. Allen has practiced Diagnostic and Interventional Radiology since 2000. Dr. Allen is the president of Advanced Radiology of Grand Island which he formed in 2005. Advanced Radiology provides Interventional Radiology coverage for a majority of the state of Nebraska performing procedures at the​ ​following facilities: Bryan Medical Center East, Bryan Medical Center West, Kearney Regional Medical Center, Omaha Children’s Hospital, Fremont Area Medical Center, York General Hospital, Crete Area Medical Center, CHI Midland’s, CHI Good Samaritan, Midwest Surgery Center, Grand Island Surgery Center, Midwest Imaging Grand Island, and Mary Lanning Hospital.

Dr. Allen started Midwest Imaging, an imaging center in Grand Island, NE, in 2006. He was also the 1st Interventional Radiologist in the state of Nebraska to perform the ELVT procedure. Outside of work Dr. Allen likes to golf, hunt, fish and spend time with his family.