At First Medical Center, we believe patients should have access to accurate diagnostic services and preventive health screening in a setting that is convenient, informative, and centered around their needs.
Located in Cerritos, California, our practice provides ultrasound imaging, digital X-rays, and Comprehensive Care Plans designed to help patients better understand their health. Whether you're seeking answers to a current concern or taking a proactive approach to prevention, our team is committed to making the process clear, efficient, and accessible.
Book Your AppointmentEvery patient deserves timely access to reliable health information and the opportunity to make informed decisions about their care.
Our mission is to provide high-quality diagnostic imaging and preventive screening services that help patients gain clarity, confidence, and peace of mind. We are committed to combining medical expertise with compassionate service, ensuring patients feel supported from scheduling through results.
Through physician-guided care, modern imaging technology, and a patient-focused approach, we help individuals and families take a more proactive role in their health.
First Medical Center is led by experienced physicians dedicated to delivering attentive, personalized care.
With advanced training in gastroenterology and diagnostic medicine, Dr. Jaesoo Pak brings decades of clinical experience to First Medical Center. He completed fellowship training through UCLA-affiliated Wadsworth VA Medical Center and the Lahey Clinic, a Harvard Medical School affiliate, further strengthening the practice's commitment to high-quality diagnostic care.
Dr. Pak believes that early detection and accurate diagnosis play a vital role in long-term health. His approach focuses on helping patients better understand their health through clear communication, thorough evaluations, and personalized recommendations.
Read MoreDr. Yoon Suk Pak has dedicated his career to helping individuals and families achieve better health through preventive care and long-term wellness management. A graduate of George Washington University School of Medicine, he completed his residency training at UC Irvine Medical Center and has cared for patients throughout Southern California for many years.
Known for his thoughtful and patient-centered approach, Dr. Pak emphasizes education, prevention, and building lasting relationships with patients. He believes healthcare is most effective when patients feel informed, involved, and empowered to take an active role in their well-being.
Read MoreTo support timely and accurate diagnosis, ultrasound studies are interpreted by an experienced teleradiology group. Their detailed reports help referring healthcare providers make informed treatment decisions while allowing First Medical Center to provide efficient imaging services close to home.

First Medical Center proudly serves patients throughout Cerritos, Artesia, Lakewood, Buena Park, and neighboring communities across Los Angeles and Orange County.
Our convenient location helps patients access the imaging and screening services they need without unnecessary travel, long wait times, or visits to multiple facilities.
Whether you need diagnostic imaging, preventive health screening, or more information about our services, our team is here to help.
Contact First Medical Center today to learn more about our services or schedule an appointment with our experienced team.