New Search Back to Search Results 10401 Share Profile William Ko, MD 4.7 out of 5 (89 Ratings) Specialty Pain Medicine (Board Certified) Additional Language Spoken Mandarin Chinese Phone (714) 446-5200 Address 100 E. Valencia Mesa Dr. Suite 310 Fullerton, CA 92835 Get Directions Accepting New Patients Primary Office Address 100 E. Valencia Mesa Dr. Suite 310 Fullerton, CA 92835 Get Directions Phone (714) 446-5200 Fax (714) 446-5181 Secondary Office Address 24060 Camino del Avion Suite A More Information Website www.sjhmg.com Medical Groups & Affiliations St. Jude Affiliated Physician St. Jude Heritage Medical Group The patient rating score is based on responses and comments from Press Ganey. Responses are measured on a 10 point scale, with 10 being the best score. These scores are then translated to a 5 point scale in order to display results in a 5 Star rating. Comments are also gathered from the same survey and displayed in their entirety with the exception of any language that may be considered libel, or may contain private health information, or is unrelated to the provider being reviewed. Learn more about Press Ganey star rating calculations Meet The Doctor Specialties & Education Primary Specialties Pain Medicine (Board Certified) Secondary Specialties Anesthesiology (Board Certified) Education & Training 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 Reviews Reviews About Our Survey 9-Mar-2018 Provider ask that I call him regarding insurance letter. Called as instructed and have called since [date] over 7 times and he has not returned my call. Very disappointing. 23-Feb-2018 *Dr. Ko is one of the best doctors I've ever had. He has treated me with many procedures for about 15 years. He is one of the most popular drs. at St. Jude Heritage. 4-Dec-2017 Excellent experience with *Dr. Ko. 19-Nov-2017 I already recommend Dr. Ko to anyone and everyone I meet with any pain problems especially lower back pain 25-Sep-2017 I love *Dr. Ko! He's the best! 11 Total Comments Page 1 2 3 Next Back to Search Results