Meet Our Providers Rao Daluvoy, MD is a board-certified general and vascular surgeon. Vardan Papoian, MD is a general surgeon. Learn more about Dr. Daluvoy and Dr. Papoian here. Our Portal is YOUR Portal Barstow Health Partners offers a free online Patient Portal where you can access information about your care and communicate with your provider. Learn more here. Does Everything You Eat Cause Pain? If you suffer from pain in the upper right or upper middle part of your stomach after eating it could be your gallbladder causing the issue. Learn more here.