New Search Back to Search Results 9820 Share Profile Hai D. Nguyen, MD Specialty Internal Medicine (Board Certified) Phone (714) 675-3937 Address 2907 Sawgrass Dr. Santa Ana, CA 92706 Get Directions Primary Office Address 2907 Sawgrass Dr. Santa Ana, CA 92706 Get Directions 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