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 George W. Marek, III, M.D., Ph.D. Rochester, MN Area of Focus: Bravo capsule pH test, Colonoscopy, Flexible sigmoidoscopy, Esophageal dilation, Polypectomy, Esophagoscopy, Diagnostic endoscopy, Gastroesophageal reflux disease, Diarrhea, Celiac disease, Irritable bowel syndrome, Fructose intolerance, Helicobacter pylori infection, Constipation, Colon polyps, Lactose intolerance, Esophageal stricture, Peptic ulcer, Alpha-1-antitrypsin deficiency, Malabsorption, Pelvic floor defecatory dysfunction, Ehlers-Danlos syndrome, Gastritis, Alpha-gal allergy, Bile acid malabsorption Daniel B. Maselli, M.D. Rochester, MN Area of Focus: Upper endoscopy, Colonoscopy, Intragastric balloon procedure, Transoral outlet reduction, Endoscopic sleeve gastroplasty, Endoscopic mucosal resection, Endoscopic biopsy, Endoscopic dilation, Endoscopic re-cellularization via electroporation therapy, Gastroesophageal reflux disease, Diarrhea, Obesity, Metabolic syndrome, Gastrointestinal bleeding, Constipation, Colon polyps, Esophageal stricture, Colonic dysmotility, Fatty liver disease, Esophageal varices, Gastrointestinal infection, Gastrointestinal fistula Kellie L. Mathis, M.D. Rochester, MN Area of Focus: Anorectal surgery, Coloanal anastomosis, Low anterior resection, Colonoscopy, Laparoscopic surgery, Ileoanal anastomosis surgery, Flexible sigmoidoscopy, Colostomy, Ileostomy surgery, Colorectal surgery, Minimally invasive surgery, Robotic surgery, Anoscopy, Rectovaginal fistula repair, Rectal cancer surgery, Colon cancer surgery, Colectomy, Intraoperative radiation therapy, Rectal prolapse surgery, Proctectomy, Small bowel resection, Minimally invasive intestinal surgery, Bowel resection, Digital rectal exam, Pelvic floor dysfunction, Colon cancer, Inflammatory bowel disease, Rectal cancer, Anorectal abnormality, Familial adenomatous polyposis, Ulcerative colitis, Diverticulitis, Crohn's disease, Constipation, Pouchitis, Ileostomy, Colon polyps, Anal fissure, Lynch syndrome, Fistula, Anal fistula, Vaginal fistula, Pelvic floor defecatory dysfunction, Anal cancer, Carcinoid tumor, Polyp, Tubular colon adenoma, Polyposis syndromes, Recurrent cancer, Anorectal disease, Hemorrhoids, Abscess Nicholas P. McKenna, M.D., M.S. Rochester, MN Area of Focus: Anorectal surgery, Low anterior resection, Colonoscopy, Laparoscopic surgery, Ileoanal anastomosis surgery, Hemorrhoidectomy, Hemorrhoidal banding, Colostomy, Ileostomy surgery, Colorectal surgery, Minimally invasive surgery, Robotic surgery, Rectal cancer surgery, Colon cancer surgery, Colectomy, Proctectomy, Small bowel resection, Sacral nerve stimulation for fecal incontinence, Bowel resection, Colon cancer, Inflammatory bowel disease, Rectal cancer, Familial adenomatous polyposis, Ulcerative colitis, Diverticulitis, Crohn's disease, Ileostomy, Perianal abscess, Colon polyps, Anal fissure, Anal fistula, Anal cancer, Polyposis syndromes, Anorectal disease, Hemorrhoids, Anal squamous cell carcinoma Amit Merchea, M.D. Jacksonville, FL Area of Focus: Colostomy, Rectal cancer surgery, Colon cancer surgery, Chemotherapy for colon cancer, PIPAC, Colon cancer, Rectal cancer, Ulcerative colitis, Crohn's disease, Anal fistula Laurence J. Miller, M.D. Phoenix, AZ Area of Focus: Pancreatic neuroendocrine tumor, Zollinger Ellison Syndrome Nitin Mishra, M.B.B.S., M.P.H. Phoenix, AZ Area of Focus: Laparoscopic surgery, Colostomy, Colorectal surgery, Robotic surgery, Rectal cancer surgery, Colon cancer surgery, Intraoperative radiation therapy, Colon cancer, Inflammatory bowel disease, Rectal cancer, Rectal prolapse, Anal fistula Omar Y. Mousa, M.B.B.S., M.D. Jacksonville, FL Area of Focus: Liver transplant, Post-transplant long-term care, Pre-liver transplant evaluation, Hepatic encephalopathy, Hepatocellular carcinoma, Cirrhosis, Nonalcoholic fatty liver disease, Primary biliary cholangitis, Cholangiocarcinoma, Primary sclerosing cholangitis, Acute liver failure, Autoimmune hepatitis, Hemochromatosis, Alcoholic hepatitis, Metabolic liver disease Joseph A. Murray, M.D. Rochester, MN Area of Focus: Celiac disease, Achalasia Nimesh D. Naik, M.D. Phoenix, AZ Area of Focus: Anorectal surgery, Coloanal anastomosis, Colonoscopy, Ileal conduit surgery, Laparoscopic surgery, Ileoanal anastomosis surgery, Flexible sigmoidoscopy, Colostomy, Ileostomy surgery, Colorectal surgery, Minimally invasive surgery, Complex oncologic multidisciplinary pelvic surgery, Robotic surgery, Rectal cancer surgery, Ileal conduit management, Colectomy, Intraoperative radiation therapy, Colostomy reversal, Rectal prolapse surgery, Proctectomy, Transanal minimally invasive surgery, Colon cancer, Inflammatory bowel disease, Rectal cancer, Familial adenomatous polyposis, Pelvic organ prolapse, Ulcerative colitis, Diverticulitis, Rectovaginal fistula, Crohn's disease, Perianal abscess, Colon polyps, Anal fissure, Lynch syndrome, Diverticular disease, Anal fistula, Anal cancer, Polyposis syndromes, Hemorrhoids, Anal squamous cell carcinoma, Colovesical fistula, Recurrent rectal cancer Pagination Physicians PrevPrevious Page Go to page 1111 Go to page 1212 Go to page 1313 Go to page 1414 Go to page 1515 NextNext Page Medical Professionals Digestive Diseases Physicians