Dr. Hepler has a subspecialty interest in complex spine reconstruction including scoliosis, kyphosis, and spondylolisthesis but treats all spine conditions including disc herniations, radiculopathy, discogenic disc disease, lumbar and cervical stenosis, traumatic and osteoporotic fractures. He has authored multiple research publications and textbook chapters and presented research and talks at numerous national and international forums. He is an active member of the North American Spine Society and Scoliosis Research Society where he serves on various committees and an editor of the journal Spine.