Angela G. Fleischman, MD

Dr. Hyung Won Choi is a board-certified UCI Health diagnostic radiologist who specializes in mammography and breast cancer screening. Choi, who also speaks Korean.

Dr. Mo Ziari is a board-certified UCI Health hematologist and medical oncologist who specializes in the diagnosis, treatment and management of solid tumors as well as benign and malignant hematological conditions. He earned his medical degree at Shiraz University of Medical Sciences in Shiraz, Iran. Next, he completed a residency in internal medicine at Saint Louis University School of Medicine in Saint Louis, Mo., followed by fellowship training in hematology and oncology at the University of Texas Southwestern in Dallas. Ziari delivers leading-edge cancer therapies, including chemotherapy, endocrine therapy, targeted therapy, monoclonal antibodies and immunotherapy. He is the author of numerous peer-reviewed journal articles. He sees patients in Costa Mesa and Orange.

Dr. Matthew Keating is a board-certified UCI Health hematologist/oncologist who sees a wide variety of hematology and oncology patients. Keating earned his medical degree at Keck School of Medicine of USC. He completed an internal medicine residency at Eisenhower Health in Rancho Mirage, Calif., followed by a fellowship in hematology/oncology at Roger Williams Medical Center in Providence, R.I. He has published several peer-reviewed journal articles on topics such as the identification and mitigation of adverse treatment effects, and a large retrospective analysis of patient outcomes in prostate cancer. When he is not taking care of patients, Keating enjoys playing soccer, swing dancing, hiking and community outreach.