General Info

Dr. Zheng Z. Topp is a board-certified hematologist-oncologist in Portland, OR. She has a special focus in the care of patients with breast cancer. Dr. Topp is dedicated to knowing her patients and their treatment goals and concerns. She hopes to empower her patients to make confident, informed care decisions in the face of challenging times. At Providence Cancer Institute, Dr. Topp joins an expert team of specialists with access to the newest innovations and clinical trials, in the goal to end cancer and provide the best possible care.