Dr. Katherine Elaine Tierney, MD

Dr. Katherine Tierney is a board-certified physician specializing in obstetrics and gynecology with additional expertise in gynecologic oncology. She earned her medical degree from the Keck School of Medicine at the University of Southern California and has been practicing for 18 years. Her dual specialization allows her to provide comprehensive women's healthcare while focusing on the diagnosis and treatment of cancers affecting the female reproductive system.

Dr. Tierney practices at Kaiser Permanente medical centers, including locations in Los Angeles, California, Vancouver, Washington, Clackamas, Oregon, and Irvine, California. She treats patients with endometrial cancer and ovarian cancer, providing specialized oncologic care for women facing these diagnoses. Her practice includes performing pathology tests and blood work to help diagnose and monitor various conditions. Patients rate her an average of 4.3 out of 5 on Vitals, reflecting their positive experiences with her care.