He graduated from Cayetano Heredia University and then he performed his residency at Mercy Catholic Medical Center. His areas of expertise include breast cancer surgery, gynecomastia surgery (male breast reduction), and wounds. Dr. Castillo takes Coventry, Aetna HSA, and Coventry HSA, in addition to other insurance carriers. In addition to English, Dr. Castillo (or staff) speaks Spanish, German, and French. His hospital/clinic affiliations include Mercy Fitzgerald Hospital, Advanced Surgical Associates, and Riddle Hospital. He is accepting new patients.