Breadcrumb Home Providers Siem P. Ia, NP Pediatrics Request an Appointment Accepting new patients Languages English, Chinese - Mandarin Education Medical Board Certification Nurse Practitioner, Pediatric Nursing Certification Board, 2012 Degree MSN, Columbia University School of Nursing, 2012 What insurance is accepted? Hospital Affiliations Ronald Reagan UCLA Medical Center 757 Westwood Plaza Los Angeles, California 90095 UCLA Mattel Children's Hospital 757 Westwood Plaza Los Angeles, California 90095 Areas of Focus Primary care Links uclahealth.org/mattel/pediatric-medical-home