Doctors Find a doctor whose last name begins with the letter A A Find a doctor whose last name begins with the letter B B Find a doctor whose last name begins with the letter C C Find a doctor whose last name begins with the letter D D Find a doctor whose last name begins with the letter E E Find a doctor whose last name begins with the letter F F Find a doctor whose last name begins with the letter G G Find a doctor whose last name begins with the letter H H Find a doctor whose last name begins with the letter I I Find a doctor whose last name begins with the letter J J Find a doctor whose last name begins with the letter K K Find a doctor whose last name begins with the letter L L Find a doctor whose last name begins with the letter M M Find a doctor whose last name begins with the letter N N Find a doctor whose last name begins with the letter O O Find a doctor whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q Find a doctor whose last name begins with the letter R R Find a doctor whose last name begins with the letter S S Find a doctor whose last name begins with the letter T T Find a doctor whose last name begins with the letter U U Find a doctor whose last name begins with the letter V V Find a doctor whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X Find a doctor whose last name begins with the letter Y Y Find a doctor whose last name begins with the letter Z Z active View All By Location: View All Rochester, MN Phoenix/Scottsdale, AZ Jacksonville, FL Gui Piovezani Ramos, M.D. Phoenix, AZ Area of Focus: Colonoscopy, Flexible sigmoidoscopy, Upper endoscopy, Ulcerative colitis, Crohn's disease, Microscopic colitis, Immune-related adverse event Surakit Pungpapong, M.D. Jacksonville, FL Area of Focus: Liver transplant, Post-transplant long-term care, Pre-transplant evaluation, Nonalcoholic fatty liver disease, Cirrhosis, Liver problems, Primary sclerosing cholangitis, Hepatitis B, Cholangiocarcinoma, Portal hypertension, Liver cancer, Alcoholic hepatitis, Hepatocellular carcinoma, Hepatopulmonary syndrome, Primary biliary cholangitis, Hepatitis infectious disease, Hepatic encephalopathy Laura E. Raffals, M.D. Rochester, MN Area of Focus: Ulcerative colitis, Inflammatory bowel disease, Crohn's disease, Pouchitis Elizabeth Rajan, M.D. Rochester, MN Area of Focus: Endoscopic ultrasound, Upper endoscopy, Capsule endoscopy, Balloon-assisted enteroscopy Francisco C. Ramirez, M.D. Phoenix, AZ Area of Focus: Upper endoscopy, Colon cancer Karthik Ravi, M.D. Rochester, MN Area of Focus: Achalasia, Gastroesophageal reflux disease, Eosinophilic esophagitis, Esophageal spasms Douglas L. Riegert-Johnson, M.D. Jacksonville, FL Area of Focus: Colonoscopy, Fecal transplant, Upper endoscopy, Chromoendoscopy, Lynch syndrome, Familial adenomatous polyposis, Pancreatic cancer Lewis R. Roberts, M.B., Ch.B., Ph.D. Rochester, MN Area of Focus: Hepatocellular carcinoma Barry G. Rosser, Jr., M.D. Jacksonville, FL Area of Focus: Liver transplant, Post-transplant long-term care, Pre-transplant evaluation, Nonalcoholic fatty liver disease, Cirrhosis, Liver problems, Primary sclerosing cholangitis, Cholangiocarcinoma, Liver cancer, Alcoholic hepatitis, Autoimmune hepatitis, Hepatocellular carcinoma, Hepatopulmonary syndrome, Primary biliary cholangitis, Hepatic encephalopathy Kevin C. Ruff, M.D. Phoenix, AZ Area of Focus: Balloon-assisted enteroscopy, Nutrition (Healthy eating) Pagination Physicians PrevPrevious Page Go to page 1313 Go to page 1414 Go to page 1515 Go to page 1616 Go to page 1717 NextNext Page Medical Professionals Digestive Diseases Physicians