Print Departments and specialties Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Departments with related expertise Cancer Care at Mayo Clinic Critical Care Early-Onset and Hereditary GI Cancers Program Early-Onset Colorectal Cancer Group Gastroenterology and Hepatology Metabolic and Abdominal Wall Reconstructive Surgery in Rochester Pediatric Hematology/Oncology Trauma, Critical Care and General Surgery in Rochester Doctors who perform this procedure Edit search filters close Narrow your search By location Rochester, MN Jacksonville, FL Phoenix/Scottsdale, AZ By last name 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 There are no doctors whose last name begins with the letter D D Find a doctor whose last name begins with the letter E E There are no doctors whose last name begins with the letter F F There are no doctors 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 There are no doctors whose last name begins with the letter N N There are no doctors 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 There are no doctors whose last name begins with the letter T T There are no doctors 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 There are no doctors whose last name begins with the letter Y Y There are no doctors whose last name begins with the letter Z Z Reset all filters Search Tips Use quotes for phrases. Even if there are no auto-suggestions within the search field, hit "Search" anyway, as you may still get results. Displaying 21-30 out of 35 doctors available Location: Rochester, MN Ryan J. Law, D.O. Gastroenterologist Rochester, MN Areas of focus: Upper endoscopy, Colonoscopy, Endoscopic procedure, ERCP, Endoscopic ultrasound, Endoscopic mucosal resection, Pancreat...ic cancer, Pancreatitis, Colon polyps, Pancreatic cyst, Zenker's diverticulum, Bile duct stone, Bile duct stricture, Cholecystitis Show more areas of focus for Ryan J. Law, D.O. Michael D. Leise, M.D. Transplant Hepatologist Rochester, MN Areas of focus: Upper endoscopy, Colonoscopy, Hepatic encephalopathy, Hepatocellular carcinoma, Cirrhosis, Hepatitis C, Hepatitis B, No...nalcoholic fatty liver disease, Primary biliary cholangitis, Cholangiocarcinoma, Primary sclerosing cholangitis, Wilson's disease, Portal hypertension, Liver disease, Autoimmune hepatitis, Hereditary hemorrhagic telangiectasia, Hemochromatosis, Alcoholic hepatitis, Hepatopulmonary syndrome, Esophageal varices, Portopulmonary hypertension Show more areas of focus for Michael D. Leise, M.D. Harmeet Malhi, M.B.B.S. Transplant Hepatologist Rochester, MN Areas of focus: Upper endoscopy, Colonoscopy, Post-liver transplant care, Pre-liver transplant evaluation, Hepatic encephalopathy, Nona...lcoholic fatty liver disease, Liver injury, Nonalcoholic steatohepatitis Show more areas of focus for Harmeet Malhi, M.B.B.S. Daniel B. Maselli, M.D. Gastroenterologist Rochester, MN Areas of focus: Upper endoscopy, Colonoscopy, Intragastric balloon procedure, Transoral outlet reduction, Endoscopic sleeve gastroplast...y, Endoscopic mucosal resection, Endoscopic dilation, Endoscopic biopsy, Endoscopic re-cellularization via electroporation therapy, Gastroesophageal reflux disease, Diarrhea, Obesity, Metabolic syndrome, Gastrointestinal bleeding, Constipation, Colon polyps, Esophageal stricture, Gastrointestinal infection, Colonic dysmotility, Esophageal varices, Fatty liver disease, Gastrointestinal fistula Show more areas of focus for Daniel B. Maselli, M.D. Rahul Pannala, M.D. Gastroenterologist Phoenix, AZ Rochester, MN Areas of focus: Upper endoscopy, ERCP, Endoscopic ultrasound, Endoscopic sleeve gastroplasty, Pancreatic cancer, Obesity, Barrett's eso...phagus, Esophageal cancer Show more areas of focus for Rahul Pannala, M.D. Varan Perananthan, M.D., Ph.D. Gastroenterologist Rochester, MN Areas of focus: Upper endoscopy, Esophageal reflux scan, Colonoscopy, Esophageal manometry, Endoscopic mucosal resection, Endoscopic di...lation, Dysphagia, Lichen planus, Gastroesophageal reflux disease, Achalasia, Eosinophilic esophagitis, Barrett's esophagus, Esophageal cancer, Colon polyps, Zenker's diverticulum, Eosinophilic gastroenteritis, Esophageal cyst, Barrett's esophagus with dysplasia Show more areas of focus for Varan Perananthan, M.D., Ph.D. Bret T. Petersen, M.D. Internist Gastroenterologist Rochester, MN Areas of focus: Upper endoscopy, ERCP Elizabeth Rajan, M.D. Gastroenterologist Rochester, MN Areas of focus: Upper endoscopy, Endoscopic ultrasound, Balloon-assisted enteroscopy, Capsule endoscopy William Sanchez, M.D. Internist Gastroenterologist Transplant Hepatologist Rochester, MN Areas of focus: Upper endoscopy, Colonoscopy, Liver biopsy, Post-liver transplant care, Pre-liver transplant evaluation, Hepatic enceph...alopathy, Liver cancer, Hepatocellular carcinoma, Cirrhosis, Hepatitis C, Nonalcoholic fatty liver disease, Chronic liver disease, Cholangiocarcinoma, Gallbladder cancer Show more areas of focus for William Sanchez, M.D. Dan A. Schupack, M.D. Gastroenterologist Rochester, MN Areas of focus: Upper endoscopy, Colonoscopy, Colon cancer, Familial adenomatous polyposis, Lynch syndrome, Polyposis syndromes Pagination Doctor search PrevPrevious Page Go to page 11 Go to page 22 Go to page 33 Go to page 44 NextNext Page Research Profiles Edit search filters close Narrow your search By location Arizona Florida Minnesota View all View all physicians • All Locations Rajan, Elizabeth M.D. Minnesota By Mayo Clinic Staff Request an appointment About July 02, 2024 PrintShow references Feldman M, et al., eds. Preparation for and complications of gastrointestinal endoscopy. In: Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 11th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed Aug. 4, 2022. Cohen J, et al. Overview of upper gastrointestinal endoscopy (esophagogastroduodenoscopy). https://www.uptodate.com/contents/search. Accessed Aug. 4, 2022. Upper GI endoscopy. National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/diagnostic-tests/upper-gi-endoscopy. Accessed Aug. 4, 2022. Understanding upper endoscopy. American Society for Gastrointestinal Endoscopy. https://www.asge.org/home/for-patients/patient-information/understanding-upper-endoscopy. Accessed Aug. 4, 2022. Medical review (expert opinion). Mayo Clinic. Aug. 16, 2022. Related Anthrax Barrett's esophagus Bile reflux Blastocystis hominis Burns Carcinoid tumors Chagas disease Chronic sinusitis Cyclic vomiting syndrome Dysphagia Endoscopy Endoscopy Eosinophilic esophagitis Esophageal cancer Esophageal spasms Esophageal varices Esophagitis Functional dyspepsia Gastritis Gastroesophageal reflux disease (GERD) Gastrointestinal tract Gastroparesis Heartburn Helicobacter pylori (H. pylori) infection Hiatal hernia Indigestion Infant reflux Intestinal ischemia Iron deficiency anemia Median arcuate ligament syndrome (MALS) Oral thrush Peptic ulcer Sinus headaches Stomach cancer Stomach polyps Vocal cord paralysis Zollinger-Ellison syndrome Show more related content Mayo Clinic in Rochester, Minnesota, has been recognized as the best Gastroenterology & GI Surgery hospital in the nation by U.S. News & World Report. Learn more about this top honor Upper endoscopyAboutDoctors&Departments PRC-20395182 Tests & Procedures Upper endoscopy