Breadcrumb Home Find a Provider Daniel P. O'Brien, MD Daniel P. O'Brien, MD Transplant Surgery Request an Appointment Languages English Education Residency UCLA School of Medicine, 2021 Degree Keck School of Medicine of USC, MD, 2018 What insurance is accepted? Hospital Affiliations Ronald Reagan UCLA Medical Center 757 Westwood Plaza Los Angeles, California 90095 UCLA Santa Monica Medical Center 1250 16th St. Santa Monica, California 90404