New Search Back to Search Results 9192 Share Profile Ivan Kirov, MD Specialty Pediatric Hematology-Oncology Medical Groups & Affiliations St. Joseph Heritage Medical Group St. Joseph Hospital Affiliated Physicians Phone (714) 509-4348 Address 455 S. Main St. Orange, CA 92868 Get Directions Primary Office Address 455 S. Main St. Orange, CA 92868 Get Directions Phone (714) 509-4348 Hours Mon - Fri: 9 a.m. - 5 p.m. Secondary Office Address 1201 W. La Veta Ave. Orange, CA 92868 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 Pediatric Hematology-Oncology Back to Search Results