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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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.
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200 Hawkins Dr
Iowa City, IA 52242
Phone: (319) 384-9056
Fax: (319) 356-4609