Dr. Rassai joined East Bay Surgical Associates in the year 2000, where he practiced general, minimally-invasive, endocrine, venous, and trauma surgery. In 2007, he returned to San Joaquin General Hospital as an associate professor and chairman of the Department of Surgery. In early 2010, Dr. Rassai returned to private practice with East Bay Surgical Associates, which merged with BASS Medical Group in 2010. Dr. Rassai continues to practice general surgery with a special interest in minimally-invasive hernia procedures, gallbladder issues, thyroid and parathyroid disease, and colon cancer. He also treats varicose veins. Dr. Rassai currently works in Antioch and Concord with BASS Medical Group and Hernia Innovations.