Doctors who specialize in IBS issues are known as gastroenterologists or gastro surgeons. These professionals receive advanced training and specialized knowledge in the diagnosis, treatment, and prevention of gastrointestinal disorders, including IBS. Alfred B Johnson MD is dedicated to providing you with all of your irritable bowel syndrome needs. Call us or schedule an appointment with our IBS specialist, or visit our clinic conveniently located at 240 East 13th Street Merced, CA 95341. We look forward to serving you! We serve patients from Merced CA, Atwater CA, Winton CA, Bear Creek CA, Planada CA, Le Grand CA, and Athlone CA.