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Meet Cynthia Tsay, PA-C

Cynthia Tsay, PA-C, is a physician assistant with Keck Medicine of USC who specializes in caring for patients undergoing breast…

Keck Medicine of USC debuts new, state-of-the-art Pasadena location

The newest addition to the renowned health system is the largest and most advanced outpatient location Six years in the…

Does Vitamin D Help with Autoimmune Diseases?

A Keck Medicine of USC rheumatologist discusses whether vitamin D supplementation can benefit patients with autoimmune diseases. Vitamin D is…

Christine Eugene Choi

Christine E. Choi, DO, is a board-certified pulmonologist with Keck Medicine of USC who also specializes in critical and intensive…

Megan Marie Van Ligten

Megan Van Ligten, MD, is a primary care physician with Keck Medicine of USC. She is passionate about helping patients…