Whitney Alexandra Booker, MD

Mercedes Martinez, MD, is a Professor of Pediatrics and Medicine, the Medical Director of the Intestinal Transplant Program at the Center for Liver Disease and Abdominal Organ Transplantation, and the Medical Director, Pediatric Abdominal Organ Transplantation Transplant at NewYork-Presbyterian. She provides state-of-the-art care for children with a multitude of liver and intestinal issues, including children with liver and intestinal failure that require transplantation and for those with intestinal failure associated liver disease. Dr. Martinez is nationally and internationally recognized for her expertise in treating liver tumors and autoimmune liver disorders. Her research interests include liver biomarkers of operational tolerance and personalized immunosuppression, liver tumors in children, autoimmune liver diseases, metabolic disorders, nutritional deficiencies associated with liver diseases, and intestinal failure. In addition, she has been part of multi-center collaborative efforts to study the impact of autoimmune liver disorders in children and clinical trials of immunosuppression withdrawal. Visit The Center for Liver Disease and Transplantation at columbiasurgery.org/liver

Dr. Peter Liou is an Assistant Professor of Surgery at Columbia University and an Attending Transplant Surgeon at New York Presbyterian Hospital. He is board-certified in general surgery and received specialty training in abdominal transplant and hepatobiliary surgery. His practice interests focus on the surgical management of adults and children with liver and bile duct disease including those with liver failure, cirrhosis, bile duct and gallbladder disease, as well as those with benign and malignant liver tumors and cysts. He is skilled in minimally invasive surgery and trained to perform both laparoscopic and robotic surgery whenever possible. Dr. Liou received his Bachelor of Arts degree in Biochemistry and Music from Columbia College, and subsequently attended medical school at Columbia University’s College of Physicians and Surgeons. He was the recipient of a Doris Duke Translational Research Grant under the mentorship of Dr. Jessica Kandel. Dr. Liou then completed his general surgical residency at New York Presbyterian / Columbia, while receiving additional clinical training in Intestinal/Multivisceral transplant and Adult ECMO with Drs. Tomoaki Kato and Matthew Bacchetta during that time. He then continued with a surgical fellowship in Abdominal Organ Transplantation and Hepatobiliary Surgery at New York Presbyterian Columbia and Weill Cornell. Committed to providing compassionate and the latest comprehensive care, Dr. Liou routinely collaborates with an elite team of world-class providers in liver disease to achieve optimal outcomes and treatment success. He is also interested in international medicine, having participated in surgical outreaches and exchanges in China, Kenya, Swaziland, and Tanzania.

Pedro R. Sandoval, MD is a highly skilled surgeon specializing in kidney transplant surgery, general surgery, and pediatric surgery. With a focus on providing exceptional care, Dr. Sandoval is affiliated with prestigious institutions such as Columbia University and NewYork-Presbyterian Hospital. With multiple locations in New York City, Dr. Sandoval offers comprehensive services to both new and existing patients, including virtual visits and access to the Columbia Connect app for convenient health management. Accepting a wide range of insurance plans, Dr. Sandoval is dedicated to delivering top-quality care to patients of all ages.Generated from the website