Susan O'Brien, MD

Susan O’Brien, MD, is a hematologist-oncologist at UCI Health in Orange County, California.

Articles by Susan O'Brien, MD

Dr. Susan O’Brien Shares ‘Encouraging’ SEQUOIA Trial Data in CLL

Susan O'Brien, MDChronic Lymphocytic Leukemia | June 26, 2025

Dr. O’Brien described the safety and efficacy of zanubrutinib and the benefits of combining the drug with other agents.

SOHO 2021: Next Questions

Susan O'Brien, MDAcute Lymphoblastic Leukemia | November 15, 2022

At SOHO 2021, Susan O'Brien, MD, and Hagop Kantarjian, MD, addressed trends in hematologic malignancies.