Dr. Ronald Rosaire Castonguay, MD

Dr. Ronald Castonguay is an orthopedic surgeon who earned his medical degree from the University of Toronto Faculty of Medicine. With 36 years of experience in orthopedic surgery, he brings extensive expertise to treating musculoskeletal conditions and injuries. Dr. Castonguay is fluent in both English and Spanish, allowing him to serve a diverse patient population in the Fresno area.

Dr. Castonguay practices at multiple locations throughout Fresno, California, including Saint Agnes Medical Center and Fresno Surgical Hospital. He specializes in treating shoulder conditions such as osteoarthritis and acromioclavicular arthritis. His surgical expertise includes shoulder instability procedures and arthroscopic surgery techniques. Patients have given him an average rating of 4.4 out of 5 on Vitals, reflecting their confidence in his care.