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William Ko MD
Practice accepting new patients.

William Ko MD

(714) 446-5200
Primary Specialties
  • Pain Medicine
Secondary Specialties
  • Anesthesiology
Medical Groups & Affiliations
  • St. Jude Affiliated Physician
  • St. Jude Heritage Medical Group
  • Additional Languages Spoken
    Mandarin Chinese, Spanish

Primary Office

100 E. Valencia Mesa Dr., Suite 310
Fullerton, CA 92835
(714) 446-5200
(714) 446-5181
Web Page:


  • Medical School:
    University of Southern California School of Medicine - Los Angeles, CA
  • Internship:
    Harbor-UCLA Medical Center - Torrance, CA
  • Residency:
    Harbor-UCLA Medical Center - Torrance, CA
  • Fellowship:
    UCLA Medical Center - Los Angeles, CA
  • Board Certified in Anesthesiology
  • Board Certified in Pain Medicine


Physicians of Excellence, Orange County Medical Association, 2014

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