Dr. Holmberg earned a doctorate in physiology studying cardiovascular reflexes at the University of Nebraska Medical Center before graduating from the Creighton University School of Medicine. He completed his residency in Internal Medicine at the Mayo Clinic in Rochester, Minnesota.

Dr. Holmberg continued his education in The Cardiac Center’s Cardiovascular Fellowship program, finishing as Chief Fellow. He is a Fellow of the American College of Cardiology and the American Society of Echocardiography.

Dr. Holmberg is board certified in Cardiovascular Diseases and Echocardiography. He specializes in echocardiography and has an interest in heart failure.