Dr. Dillon offers cutting edge shoulder and elbow treatments to maximize patient outcomes.

Mark Thomas Dillon, MD, FAAOS, is a board-certified orthopedic surgeon and Assistant Professor of Orthopedic Surgery at Indiana University School of Medicine. Fellowship-trained in Shoulder and Elbow Surgery at the University of Pennsylvania, Dr. Dillon specializes in complex shoulder reconstruction and arthroplasty.




Minimally invasive surgical procedure used to diagnose and treat elbow joint problems. Small incisions and a tiny camera allow surgeons to remove bone spurs, loose fragments, or inflamed tissue. This approach reduces pain, speeds recovery, preserves joint function, and helps patients return to daily activities and sports more quickly.
Surgical procedure that replaces damaged parts of the shoulder with artificial components, relieving pain and restoring mobility. It is commonly recommended for severe arthritis, fractures, or rotator cuff injuries. Advanced techniques and implants allow patients to regain function, improve quality of life, and return to daily activities.
Dr Dillon discusses his motivation to become an orthopedic surgeon and the care he provides as a shoulder and elbow specialist
Glenoid Anatomy in Patients Undergoing Reverse Total Shoulder Arthroplasty Due to Fracture.....Read Moreon publications1
Patient and procedure specific variables associated with removal or revision of radial head arthroplasty.....Read Moreon publications2
Risk factors for early returns to care following same-day discharge primary shoulder arthroplasty.....Read Moreon publications3