Dr. Ronald Rosaire Castonguay, MD

Dr. Ronald Castonguay is an orthopedic surgeon who graduated from the University of Toronto Faculty of Medicine and brings 36 years of experience to his practice in Fresno, California. His extensive background in orthopedic surgery allows him to address a wide range of musculoskeletal conditions with expertise developed over more than three decades of patient care. Dr. Castonguay is fluent in both Spanish and English, enabling him to communicate effectively with diverse patient populations in the Central Valley.

Dr. Castonguay practices at multiple locations throughout Fresno, including Saint Agnes Medical Center and Fresno Surgical Hospital. He specializes in treating shoulder pain, joint pain, and rotator cuff tears using both surgical and non-surgical approaches. His expertise includes arthroscopic surgery and shoulder stabilization procedures, which allow for minimally invasive treatment options when surgery is necessary. Patients have given him an average rating of 4.4 out of 5, …reflecting their confidence in his orthopedic care.