Collins Roger B

The Board Certified 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 started in Lake County, Illinois over forty years ago. Orthopaedics is the broad-based medical and surgical specialty committed to the prevention, diagnosis and treatment of diseases and injuries of the musculoskeletal system.