Dr. Frederick M. Dirbas

Dr. Frederick M. Dirbas, MD, is a highly regarded breast surgical oncologist and educator at Stanford University School of Medicine, where he holds the position of Associate Professor of Surgery in the Division of Surgical Oncology. He also holds an appointment at the Stanford Cancer Institute and Stanford Women’s Cancer Center. Dr. Dirbas received his medical degree from the University of Pittsburgh School of Medicine, followed by residency training in general surgery at Stanford, where he also completed advanced fellowship training in surgical oncology. He is board-certified in general surgery and offers specialized care for patients with breast cancer and high-risk breast conditions, both in-person and through telemedicine consultations.

Renowned for his clinical innovation and translational research, Dr. Dirbas has pioneered approaches in minimally invasive breast surgery, intraoperative radiation therapy, and surgical management of ductal carcinoma in situ (DCIS). He has led initiatives in integrating novel imaging technologies with surgical planning and has been a strong proponent of personalized, multidisciplinary cancer care. His research interests include outcomes in early-stage breast cancer, targeted intraoperative therapies, and surgical education. He has authored numerous peer-reviewed publications and book chapters and speaks at national and international forums on advancements in breast surgery and oncology.

In addition to his clinical and research roles, Dr. Dirbas is deeply committed to surgical education and mentorship. He has trained generations of medical students, residents, and fellows at Stanford, and contributes to curriculum development in oncology education. As a trusted advocate for patient-centered care, he collaborates with genetic counselors, medical oncologists, and radiologists to develop comprehensive, individualized treatment plans. Through his leadership in breast cancer surgery, innovation in therapeutic techniques, and dedication to education, Dr. Dirbas continues to shape the evolving standards of breast oncology care.