Dr. Tricia Lawrence Merrigan, MD

Dr. Tricia Merrigan is a surgeon who specializes in comprehensive breast care with two decades of clinical experience. She earned her medical degree from the Sanford School of Medicine at the University of South Dakota, building a strong foundation in surgical practice. Dr. Merrigan is fluent in both Spanish and English, allowing her to serve a diverse patient population in the Sioux Falls area.

Dr. Merrigan practices at several locations throughout Sioux Falls, including Sanford Webster Medical Center and multiple Avera facilities. She focuses on treating breast cancer, including complex cases involving metastatic or recurrent disease, as well as Paget disease of the breast. Her practice includes advanced breast imaging procedures such as scintimammography and mammograms. Patients consistently rate Dr. Merrigan highly for her care, giving her an average rating of 4.2 out of 5 stars.