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John Renz, MD, PhD

Professor of Surgery

John Renz, MD, PhD, is an expert in adult and pediatric abdominal organ transplantation. A member of the multidisciplinary University of Chicago transplant team, he performs all types of liver transplantation, including whole organ, split-liver, and living donor procedures.

Dr. Renz is nationally recognized for his research on donor organs that do not meet the usual conditions for transplantation due to various health concerns. He conducted a study, which found that these organs can still be healthy enough for successful transplantation. As a result, Dr. Renz's "extended-donor criteria" expanded the donor pool, increasing access to liver transplantation for many patients.

Additionally, he has published dozens of articles on the subject of liver transplantation in medical and scientific journals. Dr. Renz serves on the editorial board of Liver Transplantation, and as a reviewer for several medical journals, including the American Journal of Transplantation, Clinical Transplantation and Hepatology.

Practice Locations

The University of Chicago Medicine
5841 S. Maryland Avenue
Chicago, IL 60637

Center for Advanced Medicine
5758 S. Maryland Avenue
Chicago, IL 60637

The University of Chicago Medicine Comer Children's Hospital
5721 S. Maryland Avenue
Chicago, IL 60637

Year Started Practice


Medical School

Jefferson Medical College, Thomas Jefferson University

Internship, Residency and Fellowship

University of California, San Francisco Medical Center

Additional Graduate Degree

PhD, Thomas Jefferson University, Philadelphia


Alpha Omega Alpha
American Association for the Advancement of
American Association for Cancer Research
American Association for the Study of Liver
American College of Surgeons
American Society of Transplant Surgeons
Association for Academic Surgery
International Hepato-Pancreato-Biliary
International Liver Transplantation Society
International Pediatric Transplant Association
Intestinal Transplantation Association
New York Academy of Sciences
Sigma Xi
Society of University Surgeons
Transplantation Society

Language Spoken



Office Phone

(773) 702-6319

Office Fax

(773) 702-7511

Office Postal Address

John Renz, MD, PhD
The University of Chicago Medicine
5841 S. Maryland Avenue, MC 5027
Chicago, IL 60637

Physician Photo

Clinical Interests

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Read More About Dr. Renz

Dr. Renz used "extended-donor criteria" to increase the donor pool for a patient whose disease did not place her high on the liver transplant list.

Dr. Renz was Brenda Garrett’s surgeon when she underwent a lifesaving liver transplant in 2013. Now the UChicago Medicine nurse works with Dr. Renz on the organ transplant team. Read Garrett's story.

Selected Publications

View a partial list of Dr. Renz's publications through the National Library of Medicine's PubMed online database.