From his bio:
M.D., George Washington University, 1984
Orthopaedics, Madigan Army Medical Center, Washington, 1984-91
Reconstructive Shoulder Surgery, University of Texas Health Science Center, 1993-94
Complex and revision surgery of the shoulder with emphasis on shoulder replacement, tendon repairs and trauma, specific interest in clavicle fractures, shoulder replacement in patients with massive rotator cuff injuries and arthritis, acromioclavicular (shoulder) separations, avascular necrosis of the shoulder and chronic tendon ruptures including the use of soft tissue substitutes and augmentation for repair
This guy should advertise on BodyBuilding forums. But then he'd probably never get any rest.