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.

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Displaying 11-20 out of 28 doctors available

  1. Vivek Kumbhari, M.B., Ch.B., Ph.D.

    Vivek Kumbhari, M.B., Ch.B., Ph.D.

    1. Gastroenterologist
    2. Bariatrician
    1. Jacksonville, FL
    Areas of focus:

    Colonoscopy, ERCP, Endoscopic ultrasound, Balloon-assisted enteroscopy, Intragastric balloon procedure, Transoral outle...t reduction, Endoscopic GI leak procedure, Endoscopic sleeve gastroplasty, Peroral endoscopic myotomy, Endoscopic mucosal resection, Endoscopic submucosal dissection, Endoscopic full-thickness resection, Transoral incisionless fundoplication, Colon cancer, Gastroesophageal reflux disease, Pancreatic cancer, Achalasia, Obesity, Pancreatitis, Gastrointestinal disorder, Gastrointestinal bleeding, Barrett's esophagus, Esophageal cancer, Gastrointestinal varices, Gallstones, Gastroparesis, Pancreatic cyst, Zenker's diverticulum, Gallbladder cancer, Pancreatic neuroendocrine tumor, Gastrointestinal stromal tumor, Polyp, Gallbladder polyp, Pancreatic insufficiency, Pancreatic disorder, Gastrointestinal perforation

  2. Ryan J. Law, D.O.

    Ryan J. Law, D.O.

    1. Gastroenterologist
    1. 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

  3. Jennifer L. Leiting, M.D.

    Jennifer L. Leiting, M.D.

    1. Hepatobiliary and Pancreas Surgeon
    1. Rochester, MN
    Areas of focus:

    Cancer treatment, Whipple procedure, Pancreatectomy, Laparoscopic surgery, Splenectomy, Cholecystectomy, Microwave abla...tion for cancer, Robotic surgery, Liver tumor ablation, Liver resection, Minimally invasive pancreas surgery, Minimally invasive liver surgery, Bile duct resection, Hepatobiliary disease postoperative care, Hepatobiliary disease evaluation, Bile duct obstruction surgery, Liver cancer, Hepatocellular carcinoma, Pancreatic cancer, Liver tumor, Cholangiocarcinoma, Enlarged spleen, Pancreatic cyst, Liver cyst, Ampullary cancer, Hilar cholangiocarcinoma, Gallbladder cancer, Stage 4 colorectal cancer, Pancreatic neuroendocrine tumor, Carcinoid tumor, Gastrointestinal stromal tumor, Bile duct stone, Biliary obstruction, Duodenal cancer, Intraductal papillary mucinous neoplasm, Liver hemangioma, Bile duct injury, Bile duct cyst, Gallbladder polyp, Bile duct stricture

  4. Michele D. Lewis, M.D.

    Michele D. Lewis, M.D.

    1. Gastroenterologist
    1. Jacksonville, FL
    Areas of focus:

    Upper endoscopy, Colonoscopy, Flexible sigmoidoscopy, PEG-J tube placement, Variceal band ligation, Endoscopic biopsy, ...Pancreatitis, Cystic fibrosis, Genetic disorder, Pancreatic cyst, Pancreatic insufficiency, Pancreatic disorder

  5. Frank J. Lukens, M.D.

    Frank J. Lukens, M.D.

    1. Gastroenterologist
    1. Jacksonville, FL
    Areas of focus:

    Upper endoscopy, Colonoscopy, ERCP, Capsule endoscopy, Double balloon enteroscopy, Single balloon enteroscopy, Gastroes...ophageal reflux disease, Pancreatic cancer, Pancreatitis, Gastrointestinal bleeding, Colon polyps, Gastrointestinal varices, Gallstones, Pancreatic cyst, Pancreatic insufficiency, Pancreatic disorder, Chronic gastrointestinal bleeding, Small bowel stricture, Obscure gastrointestinal bleeding, Small bowel angiodysplasia, Small bowel AVM

  6. Shounak Majumder, M.D.

    Shounak Majumder, M.D.

    1. Gastroenterologist
    1. Rochester, MN
    Areas of focus:

    Pancreatic cancer, Pancreatitis, Pancreatic cyst, Pancreatic neuroendocrine tumor, Autoimmune pancreatitis, Pancreatic ...insufficiency, Pancreatic disorder

  7. Kelsey E. McHugh, M.D.

    Kelsey E. McHugh, M.D.

    1. Pathologist
    1. Phoenix, AZ
    Areas of focus:

    Fine needle aspiration, Colon cancer, Liver cancer, Pancreatic cancer, Gastrointestinal disorder, Liver tumor, Transpla...nt rejection, Liver disease, Transplant-associated infection, Pancreatic cyst, Pancreatic disorder

  8. Katherine Poruk, M.D.

    Katherine Poruk, M.D.

    1. Surgical Oncologist
    2. Hepatobiliary and Pancreas Surgeon
    1. Jacksonville, FL
    Areas of focus:

    Hepatic artery infusion pump chemotherapy, Adrenalectomy, Whipple procedure, Pancreatectomy, Splenectomy, Fundoplicatio...n, Cholecystectomy, Pancreas biopsy, Liver biopsy, Rectal cancer surgery, Liver tumor ablation, Pancreatic enucleation, Minimally invasive pancreas surgery, Minimally invasive liver surgery, Minimally invasive cancer surgery , Liver cyst removal, Liver cyst resection, Liver cancer, Hepatocellular carcinoma, Pancreatic cancer, Pancreatitis, Liver tumor, Benign adrenal tumor, Cholangiocarcinoma, Duodenal polyp, Spleen injury, Liver mass, Enlarged spleen, Gallstones, Pancreatic cyst, Liver cyst, Adrenal cancer, Ampullary cancer, Gallbladder cancer, Stage 4 colorectal cancer, Pancreatic neuroendocrine tumor, Carcinoid tumor, Bile duct stone, Biliary obstruction, Duodenal cancer, Intraductal papillary mucinous neoplasm, Bile duct injury, Bile duct cyst, Gallbladder polyp, Adrenal incidentaloma, Bile duct stricture

  9. Dominic E. Sanford, M.D.

    Dominic E. Sanford, M.D.

    1. Hepatobiliary and Pancreas Surgeon
    1. Phoenix, AZ
    Areas of focus:

    Gastrectomy, Hepatic artery infusion pump chemotherapy, Whipple procedure, Splenectomy, Cholecystectomy, Robotic surger...y, Liver tumor ablation, Pancreatic enucleation, Liver resection, Bile duct resection, Pancreatectomy with vascular resection, Duodenal resection, Distal pancreatectomy, Bile duct obstruction surgery, Liver cancer, Pancreatic cancer, Pancreatitis, Liver tumor, Stomach cancer, Cholangiocarcinoma, Duodenal polyp, Pancreatic cyst, Liver cyst, Pancreatic neuroendocrine tumor, Duodenal cancer, Bile duct injury, Bile duct cyst, Bile duct stricture, Cholecystitis, Colorectal liver metastasis

  10. Rory L. Smoot, M.D.

    Rory L. Smoot, M.D.

    1. Surgical Oncologist
    2. Hepatobiliary and Pancreas Surgeon
    1. Rochester, MN
    Areas of focus:

    Cancer treatment, Gastrectomy, Cryoablation for cancer, Whipple procedure, Pancreatectomy, Laparoscopic surgery, Splene...ctomy, Paracentesis, Cholecystectomy, Radiofrequency ablation for cancer, Microwave ablation for cancer, Minimally invasive surgery, Rectal cancer surgery, Liver tumor ablation, Bile duct stone removal, Soft tissue tumor ablation, Portal hypertension management, Pancreatic enucleation, Liver resection, Minimally invasive pancreas surgery, Minimally invasive liver surgery, Soft tissue sarcoma surgery, Small bowel resection, Bile duct resection, Liver cyst fenestration, Liver cyst removal, Hepatobiliary disease postoperative care, Hepatobiliary disease evaluation, Minimally invasive intestinal surgery, Irreversible electroporation, Liver cancer, Hepatocellular carcinoma, Pancreatic cancer, Pancreatitis, Peritoneal cancer, Liver tumor, Soft tissue sarcoma, Stomach cancer, Cholangiocarcinoma, Enlarged spleen, Immune thrombocytopenia, Pancreatic cyst, Liver cyst, Polycystic liver disease, Ampullary cancer, Hilar cholangiocarcinoma, Gallbladder cancer, Stage 4 colorectal cancer, Sarcoma, Pancreatic neuroendocrine tumor, Carcinoid tumor, Gastrointestinal stromal tumor, Bile duct stone, Biliary obstruction, Appendix cancer, Small bowel cancer, Retroperitoneal sarcoma, Recurrent cancer, Duodenal cancer, Intraductal papillary mucinous neoplasm, Liver hemangioma, Bile duct injury, Bile duct cyst, Gallbladder polyp, Bile duct stricture

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Sept. 20, 2025