New Search Back to Search Results 9820 Share Profile Hai D. Nguyen, MD Specialty Internal Medicine (Board Certified) Additional Language Spoken English Phone (714) 633-9111 Address St. Joseph Hospital of Orange 1100 West Stewart Drive Orange, CA 92868 Get Directions Accepting New Patients Primary Office Address St. Joseph Hospital of Orange 1100 West Stewart Drive Orange, CA 92868 Get Directions Phone (714) 633-9111 Secondary Office Address 2907 Sawgrass Drive Santa Ana, CA 92706 Phone (714) 675-3937 More Information 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 Internal Medicine (Board Certified) Back to Search Results