Dr. Deborah Ann Castaneda, MD is a health care provider primarily located in Simi Valley, CA, with other offices in Van Nuys, CA and SIMI VALLEY, CA (and 6 other locations). She has 19 years of experience. Her specialties include Hand Surgery, Orthopedic Surgery. Dr. Castaneda is affiliated with Los Robles Hospital & Medical Center. She speaks Spanish and English.