Jonathan C. Sum

jonathan sum portrait

About Dr. Sum

Jonathan Sum is married to a wonderful wife who coaches volleyball, and has a son and daughter active in multiple sports, and enjoys coaching his kids in baseball and softball. He played catcher for his state championship high school baseball team. He enjoys traveling and working on house projects.

Languages Spoken

English, Cantonese (some)


  • Doctor of Physical Therapy, University of Southern California, 2005

Clinical Expertise

Sports, orthopedics, post-surgical, pain, music medicine

Professional Memberships

American Physical Therapy Association (APTA)
Orthopedic Section, APTA
American Society of Shoulder and Elbow Therapists
European Society for Shoulder and Elbow Rehabilitation