About Us
About Astrana Health
At Astrana Breast Center, we are committed to advancing women’s breast health through innovation, compassion, and clinical excellence. Our mission is to empower every patient with knowledge, confidence, and the highest quality of care—from prevention to recovery.
Using cutting-edge imaging technology and guided by a team of board-certified specialists, we provide personalized, comprehensive services designed to detect, diagnose, and treat breast conditions early — when it matters most.
Screening & Diagnostics
Accurate, early detection using the latest 3D also known as tomosynthesis imaging and biopsy technologies
Personalized Treatment
Customized care plans built around your unique diagnosis and needs
Comprehensive Support
Ongoing guidance, education, and compassion through every stage of care
Expert Team Available
A trusted multidisciplinary team delivering exceptional, patient-centered care
Meet Our Care Team
Our dedicated breast imaging team combines expertise, technology, and compassion to ensure every patient feels supported and informed.
Dr. Julie Sun
Lead Interpreting Physician
Dr. Sun leads our breast imaging program with a focus on accuracy, early detection, and patient comfort. Her experience in 3D tomosynthesis and image-guided procedures ensures each patient receives precise, personalized care.
Pristine Lam
Center Manager
Pristine oversees daily operations and patient coordination, ensuring a smooth and welcoming experience from scheduling to results.
Sheryl Guadron
Lead Technologist
Sheryl brings extensive experience in mammography and quality assurance. She specializes in 3D tomosynthesis imaging and is dedicated to providing compassionate, patient-centered care.
Lauryn Leong
Lead Technologist
Lauryn brings extensive experience in mammography and quality assurance. She specializes in 3D tomosynthesis imaging and is dedicated to providing compassionate, patient-centered care.
John Lam
Patient Coordinator
John manages scheduling, communication, and follow-up—ensuring every patient feels comfortable and informed before, during, and after their visit.
Contact Our Team
Get in touch with us today. We’re here to help and answer your questions.