Company Description. Dr. Gastrointestinal Medicine Associates is a Gastroenterologist in Cranston, RI specializing in treating stomach pain, intestinal problems, acid reflux, constipation, and other gastrointestinal issues. Role Description. This is a full-time on-site Healthcare Provider role located in Narragansett, RI. The Healthcare Provider will be responsible for diagnosing and treating patients with various gastrointestinal disorders, cond...