Hello,
We know getting a diagnosis for your liver or other hepatobiliary organs can be devastating. Our ambition is to be the best specialists available, because when you need our services you deserve the best.
Our careers have been built around rapidly evolving research and techniques needed to do effective and highly successful surgeries on hepatobiliary issues, and we are confident you can lean on our expertise.
Proper healthcare is more than just performing surgery on nameless faces. We tailor the surgeries we perform to each patient and are here and available for any of your questions or concerns.
Regards,
The Canyon Surgical Team

Alan Contreras, MD
Dr. Contreras was born in Mexico City and earned his medical degree at the National Autonomous University of Mexico. He then completed his postdoctoral studies at Children’s Hospital Boston and Harvard Medical School. During that time, he received a Fellowship Award in Transplantation from American Society of Transplant Surgeons.
He completed his fellowship as abdominal transplant surgeon at Mount Sinai Hospital in New York and then joined as Faculty to the Recanati/Miller Transplantation Institute for several years until his return to Mexico, when he joined National Autonomous University of Mexico and helped to build what is now the largest liver transplantation center in the country. He and his wife Maria have three girls and are excited to be here in Utah.

Brian Cook, MD
Dr. Cook grew up in California where he earned his Bachelor’s degree from the University of California, Santa Barbara.
He then attended medical school at the University of California, San Francisco. Dr. Cook completed both his general surgery residency and abdominal transplant surgery fellowship at the University of Washington in Seattle and is certified by the American Board of Surgery. He relocated to Salt Lake City with his wife and daughter where he practices and is passionate about transplant, hepatobiliary, and general surgery.

Todd J. Robinson, DO
Dr. Robinson grew up in Utah and earned his bachelor’s degree in history from the University of Utah. He then attended medical school at Midwestern University’s Chicago College of Osteopathic Medicine. He completed general surgery residency at Virginia Mason Medical Center in Seattle, Washington and then fellowship training in abdominal transplant surgery at the University of Virginia. Prior to returning to Utah, he worked as a transplant surgeon at Weill Cornell Medicine New York Presbyterian Hospital.
Dr. Robinson is board certified in general surgery and specializes in liver, kidney, and pancreas transplantation, living kidney donation, robot-assisted donor nephrectomy, robot-assisted kidney implantation, and general surgery in abdominal transplant patients. He focuses his research efforts on studying outcomes in transplant recipients and increasing patient access to transplantation.

Ivan Zendejas, MD
Dr. Zendejas was born in Mexico City and earned his medical degree at the National Autonomous University of Mexico. He then completed his general surgery residency training in Mexico City at Instituto Nacional de Ciencias Medicas and a transplant clerkship at the University of Alabama in 2006. His general surgery chief residency, abdominal transplant and hepatobiliary surgery fellowship were completed at the University of Florida in 2008. Dr. Zendejas was appointed assistant professor of surgery in the division of transplantation and hepatobiliary surgery at the same institution until 2016.
He is a board-certified surgeon in general surgery by the American Board of Surgery. He is a member of the American Society of Transplant Surgeons and the American Hepato-pancreato-biliary Association. He and his wife Gaby enjoy concerts and outdoor activities with their three kids.