Feeling held back by joint pain? Dr. Onsen can help! Leonard Tiger Onsen, MD He is excited to join the team at OSF Medical Group - Orthopedics. Dr. Onsen specializes in: Sports medicine Total knee and shoulder replacement SCAN NOW Hand, wrist and elbow surgery . Fracture care 1050 E. Norris Drive, Ste. 3A | Ottawa | (815) 431-5746 OSF HEALTHCARE | Ortholllinois A division of OrthoMidwest Feeling held back by joint pain ? Dr. Onsen can help ! Leonard Tiger Onsen , MD He is excited to join the team at OSF Medical Group - Orthopedics . Dr. Onsen specializes in : Sports medicine Total knee and shoulder replacement SCAN NOW Hand , wrist and elbow surgery . Fracture care 1050 E. Norris Drive , Ste . 3A | Ottawa | ( 815 ) 431-5746 OSF HEALTHCARE | Ortholllinois A division of OrthoMidwest