The Texas Tenors John Hagen sings Nessun Dorma

Mr. Hodges / Mr. Webster | John Hagen SEGMENTS

Assistant Chief John Hagen discusses lost/stolen police equipment

Sight Unseen | John Hagen SEGMENTS

From Surgeon to Storyteller | John Hagen Shares His Journey of Medicine & Sailing Adventures

America at 250 and Celebrating the Ongoing Experiment with John Hagen

John Hagen, MD, Details His Latest Medical Thriller