Dr.Phillips received his bachelor's degree in Psychology from Stanford University. After graduating from medical school at the University of Southern California, he completed his residency training and served as Chief Pediatric Resident at UCLA- Harbor General Hospital in Los Angeles. He is board-certified in Pediatrics and is a Fellow of the American Academy of Pediatrics. He was an appointee to Governor George Deukmejian's Maternal, Child, and Adolescent Health Advisory Board to the California State Department of Health Services. He served as Chief of Pediatrics at Saddleback Women's Hospital in Laguna Hills, California, and is a past member of the Board of Directors for Children's Hospital at Mission, in Mission Viejo, California. He is actively practicing pediatric medicine in South Orange County, California.