Leah A. Marsh, MD

Dr. Leah A. Marsh, MD MS, is a gynecologic oncologist with extensive training and expertise in women's health and oncology. Recognized by LA Business Journal's Top Doctors of 2025, Dr. Marsh is considered one of their Leaders of Influence. She completed her undergraduate degree in Reproductive Health at the University of California, Berkeley. She earned a master’s degree in science studying Global Medicine at the University of Southern California and her medical degree at The Ohio State University College of Medicine. She later trained in obstetrics and gynecology at Cedars-Sinai Medical Center followed by subspecialty training in gynecologic oncology (chemotherapy, gynecologic cancer, and risk-reducing surgery) at the University of California, Los Angeles. Dr. Marsh is passionate about identifying patients at risk for hereditary cancer. Her innovative work has been presented at multiple national conferences and published in Obstetrics and Gynecology. Dr. Marsh is skilled in complex open and minimally invasive (robotic and conventional laparoscopic) surgery. Patients of Dr. Marsh appreciate her exceptional bedside manner, her incredible attention to detail, and her commitment to shared decision-making.