Arthritis, Rotator Cuff Tear, Labral Tear, Tendinitis? f you are suffering with lingering or unexplained shoulder pain, contact Dr. Joshua G. Hackel to schedule an initial consultation. Dr. Hackel provides patients non-surgical and minimally-invasive procedures for pain relief and regeneration. He specializes in musculoskeletal ultrasound for the diagnosis and treatment of orthopaedic and musculoskeletal injuries.