Heart Team

Dr. Hammel is a graduate of the University of Michigan Medical School, Ann Arbor. He completed his residency in General Surgery at the University of Nebraska Medical Center (UNMC) and in Cardiothoracic Surgery residency at the University of Iowa Hospitals and Clinics, Iowa City; after which he completed a fellowship in Congenital Cardiac Surgery at the Hospital for Sick Children, Toronto, Ontario, Canada. He also accomplished research fellowships in Neonatal Cardiac Surgery and Transplant Surgery. Dr. Hammel practices pediatric cardiothoracic surgery at both Children's Hospital, Omaha and Nebraska Medicine. He is Board certified in both Surgery and Thoracic Surgery. His clinics are held at Children's Hospital. Dr. Hammel is also assistant professor of Surgery, in the Section of Cardiothoracic Surgery, at UNMC.

Publications, Most Recent:

Book Chapters:

Hammel JM, Caldarone CA. "Patent ductus arteriosus," in Surgical Decision Making, 5th Edition, Elsevier Science, New York, 2003

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