The Physicians of Greenleaf Orthopaedic Associates, Dr. Baier, Dr. Quinn, Dr. Mayer, Dr. Collins, and Dr. Caronis, are continuing the tradition of excellence in medical care that began in Lake County over 40 years ago. The most senior founder, Thad Penn, M.D., was a fixture in the community for nearly four decades before his retirement. The five senior physicians at Greenleaf are board...