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.

icon Screening & Diagnostics

Accurate, early detection using the latest 3D also known as tomosynthesis imaging and biopsy technologies

icon Personalized Treatment

Customized care plans built around your unique diagnosis and needs

icon Comprehensive Support

Ongoing guidance, education, and compassion through every stage of care

icon 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.