Fiona Yuen, MD

Dr. Fiona Yuen is an endocrinologist who specializes in diabetes and metabolism disorders. She earned her medical degree from Renaissance School of Medicine at Stony Brook University and completed her residency training at Santa Clara Valley Medical Center. With 13 years of clinical experience, Dr. Yuen focuses on helping patients manage complex hormonal and metabolic conditions. She is fluent in Cantonese, English, and Spanish, allowing her to serve diverse patient communities.

Dr. Yuen practices at John Muir Health locations in Walnut Creek and Brentwood, California, and maintains an affiliation with Harbor UCLA Medical Center. She treats patients with type 2 diabetes and osteoporosis, including juvenile osteoporosis in younger patients. Her expertise includes prescribing and training patients on insulin delivery methods such as insulin pens and autoinjectors. Dr. Yuen also performs cranial ultrasounds as part of her comprehensive endocrine care.