Why Us / J. Isabelle Choi, MD

J. Isabelle Choi, MD
Chief of Breast, Thoracic & Gynecologic Radiation Services

We are here for you

Book appointment

With a specialization in breast, thoracic and gynecologic malignancies, Dr. Choi has extensive training in treating a wide variety of cancers. She also has active roles in multicenter clinical trials and national cooperative groups.

Dr. Choi is involved in multicenter clinical trials investigating the use of proton therapy for breast cancer. In addition, Dr. Choi has active committee roles in national cooperative groups that develop novel clinical trials and make proton therapy more widely available to patients. As a member of the editorial board of peer-reviewed oncology journals, she informs the medical community of the most cutting-edge clinical advances in thoracic oncology care. She is also passionate about clinic workflow optimization and quality improvement to maintain the highest level of comprehensive care for patients of California Protons.

Specialty Breast, Thoracic, Gynecologic
Degrees Harvard University
University of Texas Health Science Center at San Antonio
Training Kaiser Permanente Los Angeles Medical Center, Radiation Oncology Residency
Certified by the American Board of Radiology, Radiation Oncology