Gynecologic Oncology

Joshua G. Cohen, M.D., is a board-certified gynecologic oncologist dedicated to offering his patients in Orange County empathy and excellence in clinical care. Dr. Cohen is an expert in the surgical cytoreduction of cancer and in the use of minimally invasive surgical techniques, including robotic surgery. He values the opportunity to perform cancer surgery and oversee systemic treatment, developing a personalized treatment plan for each patient.

Seth A. Cohen, M.D., is a urologist specializing in complex reconstruction of the pelvic floor, including fistula and pelvic organ prolapse repair.

For radiation oncologist Percy Lee, M.D., patients needs come first. He works closely with experts from other disciplines to offer each person an individually tailored treatment plan based upon both their clinical history and their emotional and social needs. An active listener, he aims to understand what is truly on a patient’s mind.

For Jason Salsamendi, M.D., patient care is a partnership where his role is to help people make informed decisions that best meet their needs. He followed his passion into interventional radiology in the field’s early days, when he was in medical school, after seeing the way doctors could seamlessly and artfully bring together leading-edge technology and established aspects of medical care.

Radiation oncologist Amanda Schwer, M.D., knew she wanted to be a cancer doctor for as long as she can remember, inspired by the doctors who cured a sibling who faced aggressive disease in early childhood. Her treatment approach is very much in line with City of Hope’s tradition of compassion: Quite simply, the patient always comes first. As a third-generation Orange County native, Dr. Schwer is proud to play a part in bringing extraordinary cancer care to the community that is so close to her heart.

Endocrinologist Nairi Berner, M.D., M.S., centers her approach to patient care on trust and partnership. The aspect of her calling that brings her the greatest satisfaction is the chance to see her patients get stronger, feel better and experience hope.

Samar Singh, M.D., grew up in a family full of physicians. Inspired both by their passion for their career paths and the difference she saw them make in the community, she continued the tradition, ultimately choosing endocrinology as her specialty.

Richard T. Lee, M.D., is a third-generation physician who was inspired by seeing the positive impact that good health care can have on a community. His philosophy as an oncologist is all about treating the whole patient — centering care on who they are and what they need. His practice brings together the best of Western medicine with integrative therapies such as mind-body techniques and acupuncture backed by research findings.

Jessica Cheng, M.D., is among the nation’s few, and Orange County’s only, fellowship-trained experts in cancer rehabilitation medicine. This is a subspecialty of physical medicine and rehabilitation (PM&R) also known as physiatry. From the time of diagnosis, a wide range of physical, cognitive and emotional challenges may arise throughout the cancer journey.