Dr. Chang is a board certified physical medicine and rehabilitation (PM&R) specialist and has been treating patients non-surgically for pain management of their neuro-musculoskeletal problems and disabling conditions, using treatments such as acupuncture, epidural, trigger point injections, physical therapy, and medications. He also subspecializes in electrodiagnostic medicine. Electrodiagnostic medicine is a method of medical diagnosis that obtains information about diseases by recording the electrical activity of body parts or by measuring the responses to external electrical stimuli.

He is named one of America’s Top Physicians in the specialty of Physical Medicine and Rehabilitation by Consumer’s Research Council of America. He has over 30 years of experience treating patients with neck and back pain. Orthopedic Institute and Dr. Chang have received Exemplary Status Laboratory Accreditation from the American Association of Neuromuscular & Electrodiagnostic Medicine (AANEM).

On a personal level, Dr. Chang also enjoys playing tennis and reading and is active in his church.