Dr. John Charles Byrn MD Surgeon

Dr. John Byrn is a surgeon in Iowa City, Iowa and is affiliated with University of Iowa Hospitals and Clinics. He received his medical degree from University of Illinois College of Medicine and has been in practice for 12 years. He is one of 23 doctors at University of Iowa Hospitals and Clinics who specialize in Surgery.

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Office Location

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Specialty & Clinical Interests

Surgeon: General Surgery

Education & Medical Training

Mount Sinai School of Medicine
Residency, General Surgery, 2002–2008

Cleveland Clinic Foundation
Residency, Colon and Rectal Surgery, 2008–2009

University of Illinois College of Medicine
Class of 2002

Certifications & Licensure

American Board of Colon and Rectal Surgery
Certified in Colon & Rectal Surgery

American Board of Surgery
Certified in Surgery

IA State Medical License
Active through 2014

Publications & Presentations

Development of an Improved Risk Calculator for Complications in Proctectomy.
Sherman, S. K.,Hrabe, J. E.,Charlton, M. E.,Cromwell, J. W.,Byrn, J. C.

A matched case-control study of IBD-associated colorectal cancer: IBD portends worse outcome.
Hrabe, J. E.,Byrn, J. C.,Button, A. M.,Zamba, G. K.,Kapadia, M. R.,Mezhir, J. J.

Technical considerations in laparoscopic total proctocolectomy.
Byrn, J.

See all 15 publications

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