Leah Marsh, MD, MS, FACOG

Leah Marsh, MD, MS, FACOG

Gynecology Oncology

Dr. Leah Marsh, MD, MS, FACOG, is a board-certified gynecologic oncologist with extensive expertise in women’s health and oncology. She is a Fellow of the American College of Obstetricians and Gynecologists and was recognized by the LA Business Journal as a Top Doctor of 2025 and a Leader of Influence.


Dr. Marsh completed advanced training in obstetrics and gynecology, followed by subspecialty fellowship training in gynecologic oncology, with a focus on chemotherapy, gynecologic cancer care, and risk-reducing surgery.


She is passionate about identifying patients at risk for hereditary cancer, and 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 procedures, including robotic and conventional laparoscopic surgery. Patients value her exceptional bedside manner, attention to detail, and commitment to shared decision-making.

EDUCATION & TRAINING

Fellowship

  • UCLA Medical Center, Department of Obstetrics and Gynecology, Division of Gynecologic Oncology
  • Fellow of the American College of Obstetricians and Gynecologists

Residency

  • Cedars-Sinai Medical Center Department of Obstetrics and Gynecology
  • Memorial Sloan Kettering Cancer Center Department of Gynecology Surgery

Medical School

  • The Ohio State University, College of Medicine

Graduate School

  • Keck School of Medicine, University of Southern California