New Search 11219 Practice accepting new patients. Vivien L. Pan, MD (949) 364-4228 Primary Specialties Maternal and Fetal Medicine Medical Groups & Affiliations Mission Hospital Affiliated Physicians Perinatal Associates of O.C. Additional Languages Spoken English Primary Office Address: 27800 Medical Center Road Suite 100 Mission Viejo, CA 92691 Phone: (949) 364-4228 Fax: (949) 364-4230 Web Page: www.mission4health.com Recommend this Physician Get Directions 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 Certifications American Board of Obstetrics & Gynecology American Board of Obstetrics & Gynecology Areas of Interest Maternal-Fetal Medicine