Baylor Scott & White Primary Care – Castle Hills is currently accepting new patients from pediatrics, starting at full-term newborns to adults and provides the quality care you would expect from a leading name in healthcare. Most insurance plans are accepted. Selecting a primary care doctor is an important first step in managing your health. A primary care doctor is your first stop when you are sick or in need of healthcare services—including your annual physical, immunizations and prescription refills. Your primary care doctor promotes your overall well-being and makes sure you are up to date on your preventive health services.