Dr. Rajkumar Williams-MBBS, MS - General Surgery 42 Years Experience Overall  (39 years as specialist) Dr. Rajkumar Williams who specializes in gastrointestinal surgeries and laparoscopic procedures. He is an expert in general surgical conditions and has undergone special training in conducting minimal invasive surgeries. Dr. Williams completed his MS in general surgery after his graduation and has been in practice ever since.