Self-verified patient Vitals. Phone: (623) 362-1818. Fax: (623) 362-8095. Our phone lines are open from 8:30 AM - 4:30 PM Monday - Friday. We offer scheduled appointments from 7:00 AM to 4:30 PM and Saturday mornings. After-hours appointments are available upon request. About The Practice. Valley of the Sun Pediatrics is a comprehensive ....