New Faculty

Dr. Mateusz Opyrchal joins the Department of Medicine

Dr. Mateusz Opychal, MD, PHD is an Associate Professor of Medicine on the Clinician Track in the Division of Oncology in the Department of Medicine. He is board certified in Internal Medicine and Medical Oncology. He joined the Department in September, 2019.

Dr. Opyrchal is an experienced breast cancer oncologist who is focused on breast cancer diagnosis, and treatment. He is most interested in translational studies relating to the immunotherapy of patients with locally advanced and metastatic breast cancer. He is the Co-Clinical Director of the Division of Oncology’s Center of Gene and Cellular Immunotherapy (CGCI) where he has interests on the use of both TCR and CART genetically modified T-cells directed to specific solid tumor and breast cancer targets.

Dr. Opyrchal will play a major role in Phase I solid tumor program focused on cellular and immunotherapy, and to primarily focus his clinical career on the treatment of breast cancer. He is most interested in translational studies relating to the immunotherapy of patients with locally advanced and metastatic breast cancer.

He sees patients one day a week in the Center for Advance Medicine and one day a week in the Belleville East Siteman Cancer Center site in Shiloh, where he is not only the director of the clinical trial operations there, but also oversees a new multidisciplinary breast cancer center in Belleville.

Dr. Opyrchal is instrumental in mentoring Hematology/Oncology fellows and other trainees at Washington University School of Medicine. He attends on the Medical Oncology inpatient service for a total of four weeks per year.