New Search Back to Search Results 9936 Share Profile Wan-Yin Chan, MD Specialty Pediatric Allergy and Immunology Languages English Phone (714) 633-9111 Address St. Joseph Hospital of Orange 1100 West Stewart Drive Orange, CA 92868 Get Directions Primary Office Address St. Joseph Hospital of Orange 1100 West Stewart Drive Orange, CA 92868 Get Directions Phone (714) 633-9111 Secondary Office Address CHOC Children's Specialist - Allergy 725 West La Veta Avenue Suite 100 Orange, CA 92868 Phone (714) 633-6363 Fax (714) 633-0178 Hours Mon - Fri: 8:30 a.m. - 4:30 p.m. More Information Medical Groups & Affiliations St. Joseph Heritage Medical Group St. Joseph Hospital Affiliated Physicians 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 Pediatric Allergy and Immunology Back to Search Results