Dr. James Joseph Castles

Dr. James Castles specializes in rheumatology and internal medicine, bringing extensive expertise to the diagnosis and treatment of autoimmune conditions and complex internal medical issues. He earned his medical degree from the University of Chicago Division of Biological Sciences Pritzker School of Medicine. With 62 years of experience in practice, Dr. Castles has developed deep knowledge in managing conditions affecting the joints, muscles, and immune system. He provides care to patients in English.

Dr. Castles practices in Davis, California, where he serves patients with a wide range of rheumatologic and internal medicine concerns. His decades of clinical experience allow him to approach patient care with seasoned expertise and comprehensive understanding of complex medical conditions. He focuses on helping patients manage chronic conditions and maintain their quality of life through personalized treatment approaches.