George Chang Chien, D.O. specializes in musculoskeletal medicine and comprehensive pain management. He was trained in Physical Medicine & Rehabilitation at theRehabilitation Institute of Chicago, the #1 Ranked Rehabilitation Hospital in the United States since 1991. After completion of his Physiatry training, he completed fellowship training in comprehensive pain medicine at the prestigious Cleveland Clinic Anesthesiology Institute.

Dr. Chang Chien has authored over 50 manuscripts on the treatment of pain and musculoskeletal conditions and has been a collaborator on multiple multi-center drug studies. His current research involves the use of ultrasound in the diagnosis and treatment of shoulder and hip pain.

His professional ultrasound teaching experience in musculoskeletal and interventional pain management includes: ultrasound course Director at the Cleveland Clinic, Regenerative Medicine Course Director for American Society of Interventional Pain Physicians, American Society of Regional Anesthesia, Apex Biologix, and the Society for Pain Practice Management.

Dr. Chang Chien specializes in non-surgical orthopedic care. He practices regenerative medicine with expertise in platelet rich plasma (PRP), bone marrow aspiration for stem cells (BMAC), and adipose-derived stem cells (ADSC).

He is currently the Medical Director for Pain Management at Ventura County Medical Center and the Director for the Center for Regenerative Medicine at Southern California University. He serves in the editorial board for Pain Physician medical journal and is the section editor for Regenerative Medicine.