Dr. Robert Osorio earned his undergraduate and Masters degree in Bioengineering from the University of California, San Diego. He earned his MD and completed general surgery training, Immunology Fellowship, and Abdominal Transplant Surgery Fellowship at the University of California, San Francisco (UCSF). He served as a Clinical Instructor in Surgery at UCSF from 1995-1997. Since 1997 he has been an attending surgeon at California Pacific Medical Center where he served as Surgical Director of Liver Transplant Surgery from 1999 to 2021, Chairman of the Barry S. Levin Department of Transplantation from 2003 to 2019, and Chair of the Advanced Organ Therapies & Transplant Service Line since 2019.
Dr. Osorio’s current clinical practice at CPMC encompasses Liver Transplantation and Hepato-Biliary surgery for both malignant and benign conditions. While at CPMC, he has developed multidisciplinary programs for the treatment of liver, pancreas, and bile duct tumors. Most recently, establishing with the American College of Surgeons, a center of excellence in high-risk gastrointestinal surgery. Along with the Division of Hepatology, he established and participates in the ACGME Hepatology Transplant Fellowship at CPMC.
Dr. Osorio’s research has focused on islet allograft transplantation, transplantation of human fetal tissue, non-operative management of biliary leaks, predicting recidivism after liver transplant for alcoholic liver disease, and artificial liver support systems. He has authored or co-authored 40 articles in peer-reviewed journals, and numerous chapters and invited reviews in textbooks and journals. He is a Fellow of the American College of Surgeons and a member of several surgical societies including AASLD, AHPBA, ASTS, AST, IHPBA, ILCA, ILTS, ITS, PCSS, SSAT, and SSO.
In addition to his clinical practice and appointments, Dr. Osorio is a founding member of Physician Foundation Medical Associates (dba Sutter West Bay Medical Group). He served as President of the group from 2003-2016 and is currently Chair of the Board of Directors. He also served on the Board of Directors for California Pacific Medical Center and Sutter West Bay Region from 2005-2013.
