James P. Sieradzki, M.D.

Board-Certified Orthopedic Surgeon
Fellowship-Trained in Sports Medicine

William B. Rozzi, M.D.

Board-Certified Orthopedic Surgeon

Adelbert J. Mencias, M.D.

Board-Certified Orthopedic Surgeon
Fellowship-Trained in Upper Extremity Surgery & Microsurgery

Mark A. Klaassen, M.D.

Board-Certified Orthopedic Surgeon

Leonard J. Kibiloski, M.D.

Board-Certified Orthopedic Surgeon

Craig W. Erekson, M.D.

Board-Certified Orthopedic Surgeon

Jeffrey D. Yergler, M.D.

Board-Certified Orthopedic Surgeon
Fellowship-Trained in Total Joints

Michael A. Yergler, M.D.

Board-Certified Orthopedic Surgeon
Fellowship-Trained in Sports Medicine

J. Michael Kelbel, M.D.

Board-Certified Orthopedic Surgeon

Christopher R. Balint, D.O.

Board-Certified Orthopaedic Surgery
Fellowship-trained Sports Medicine

OUR PHYSICIANS

Ascendant Orthopedic Alliance was formed by joining the two leading providers serving North Central Indiana and Southwestern Michigan. South Bend Orthopaedics (SBO) and Orthopedic and Sports Medicine Center (OSMC) bring together the current seven office locations in South Bend, Elkhart, Mishawaka, Goshen, LaPorte, Middlebury and Nappanee to form Ascendant Orthopedic Alliance.