Steven Ralles, MD

Twin Cities Orthopedics is committed to providing world-class service to everyone we encounter. Our independent orthopedic specialists deliver individualized care informed by active research and outcomes data. TCO prides itself on being an innovative, nimble organization that can adapt quickly to an ever-changing healthcare environment. Our dedicated teams of physicians, specialty providers and care coordinators serve our patients in clinic locations, walk-in Orthopedic Urgent Care locations, and numerous other therapy and specialty care settings across Minnesota and western Wisconsin. Regardless of the location, TCO delivers an exceptional patient experience, backed by decades of trusted orthopedic care.

Peter C. Sanders is a board certified orthopedic surgeon who specializes in arthroscopic reconstructive surgery, minimally invasive joint replacement and fracture care. Dr. Sanders completed his medical school training and his orthopedic surgery residency at the University of MN in Minneapolis, MN. He practices in Chaska, Waconia and Olivia. Dr. Sanders enjoys partnering with Compassion, World Vision, World Wide Village, International Justice Mission and Hope Academy to help provide educational and medical opportunities for the underserved both locally and abroad. He has recently visited Zimbabwe and Haiti on medical missions trips. When not working, he enjoys spending time with his wife and two children. Interests include fishing, biking, golf and playing the drums.

Dr. Morgenstern joins us TCO as a Board Eligible Orthopedic Surgeon. He completed his Orthopedic Residency at the University of Minnesota where he received the Resident Engagement Award in 2021 and the Resident Role Model Award in 2022. Dr. Morgenstern specializes in joints including knee, hip and shoulder replacement along with treatment of meniscal injuries like rotator cuff, ligament & tendon tears, hand conditions and trauma. He values patient autonomy and encourages every patient to be part of the decision-making process to achieve shared goals.