Mark D. Fischer, MD, is board certified in hand and upper extremity surgery, as well as general orthopedics. His office practice consists almost exclusively of conditions of the arm, particularly the elbow, wrist and hand. Dr. Fischer has a special interest in the arthroscopic treatment of carpal tunnel syndrome, as well as thumb basal joint, wrist and elbow conditions. He also has an interest in arthritic conditions of the hand, particularly the base of the thumb. Dr. Fischer treats all injuries of the hand, including lacerations, tendon and nerve injuries. He also treats emergency orthopedic injuries at North Memorial Hospital. Insurance reminder: individual plans may vary, and it is the patient’s responsibility to confirm that their provider is in-network.