The 20 Best Intestinal Cancer Doctors Near Me in Ann Arbor, MI
Find the Top Intestinal Cancer Experts and Specialists
Taubman Center
Dr. Napolitano is Professor of Surgery at the University of Michigan School of Medicine, Acute Care Surgery (Trauma, Burns, Critical Care, Emergency Surgery), Program Director of the Surgical Critical Care Fellowship (6 fellows annually) and Associate Chair for the Department of Surgery. Dr. Napolitano is certified by the American Board of Surgery in General Surgery as well as Surgical Critical Care. She is a Fellow of the American College of Surgeons, American College of Critical Care Medicine (ACCM), and the American College of Chest Physicians. Dr. Napolitano is a member and holds leadership positions in numerous professional organizations in surgery, trauma and surgical critical care. Dr. Napolitano is Vice-Chancellor of the Board of Regents of the ACCM. She is past-Chair of the Surgical Section of the Society of Critical Care Medicine (SCCM), and was SCCM Congress Co-Chair in 2006. She served as Chair of the Committee on Perioperative Care for the American College of Surgeons (ACS) from 2003-2005. She is past-Chair of the Multi-Institutional Trials Committee and a member of the Board of Directors for the Eastern Association for the Surgery of Trauma and the Society for the Advancement of Blood Management. She is Secretary of the Surgical Infection Society. She is a member of the American Association for the Surgery of Trauma (AAST) Committee on Acute Care Surgery. She is a member of the Society of University Surgeons, Association of Women Surgeons, and American Surgical Association, among others. She participates nationally in many organizations, and is a member of the Surgical Education and Self-Assessment Program (SESAP) Committee of the ACS and a member of the Steering Committee of the ACS Fundamentals of Surgery Resident Curriculum Committee. She is a member of the national Surgical Care Improvement Project (SCIP) and CMS Technical Expert Panels for Respiratory and Infection, with the goal of reducing surgical complications by 25% by 2010. Dr. Napolitano received the 2002 Association of Women Surgeons Distinguished Member Award, awarded to a member that exemplifies the ideals and mission of the association. Other honors include Surgical Critical Care Educator of the Year Award (1998, 1999, 2000) from University of Maryland, and the Surgery Teacher of the Year Award in 1999 and 2001. She has been a mentor to a number of research fellows at the surgical resident and fellow level and her research group has received numerous awards, including the annual Resident Paper Competition of the ACS Committee on Trauma, SCCM Best Paper award, and numerous others. Dr. Napolitano has authored over 120 peer-reviewed publications, over 50 book chapters, and has been an invited lecturer at many national/international symposia and Visiting Professor at many institutions over the course of her career.Clinical Specialization:Dr. Napolitano's clinical interests are in the areas of general surgery, trauma and surgical critical care. Dr. Napolitano is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Acute Respiratory Distress Syndrome (ARDS), Gastrointestinal Fistula, Gastrointestinal Perforation, Appendectomy, and Gallbladder Removal. Dr. Napolitano is board certified in Surgery and Surgical Critical Care.
Taubman Center
Erik-Jan Wamsteker, MD is a Clinical Associate Professor in the Division of Gastroenterology and Hepatology. Dr. Wamsteker earned his medical degree from UMDNJ Rutgers Medical school (New Jersey Medical School). He completed his internal medicine residency at the University of Michigan and Gastroenterology Fellowship where he focused his training in Advanced Endoscopy with a focus in ERCP and EUS. He is board certified in Gastroenterology.Dr. Wamsteker has authored numerous peer-reviewed articles, abstracts, and book chapters. He has served as a councilor of the AGA Institute Council Pancreatic Disorders Section as well as a counselor to the ACG practice parameters committee tasked with clinical guideline development and serves on the Board of the National Pancreas Foundations Michigan Chapter. He is an active faculty member in the training of GI fellows both for the general GI fellowship as well as Advanced Endoscopy Fellowship programs. He runs the monthly Advanced Endoscopy Conference as well as gives didactic lectures to Internal Medicine residents and GI fellows on various topics focused on endoscopic management of pancreatic and biliary disorders as well as endoscopic oncology.Personal Interests:Music history, listening to music especially on vinyl, print making, greyhounds. Dr. Wamsteker is rated as an Advanced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Neuroma Biliary Tract, Bile Duct Obstruction, Childhood Pancreatitis, Pancreatectomy, and Gastrectomy. Dr. Wamsteker is board certified in Gastroenterology.
University Hospital
Ammar Hassan is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Ann Arbor, Michigan. Dr. Hassan is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Enlarged Liver, Cirrhosis, Liver Transplant, and Endoscopy.
C. S. Mott Children's Hospital
Shuemein Mar is a Pediatric Gastroenterologist and a Pediatrics provider practicing medicine in Ann Arbor, Michigan. Dr. Mar is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Eosinophilic Esophagitis, Celiac Disease, Delayed Growth, Esophagitis, and Colonoscopy. Dr. Mar is board certified in Pediatric Gastroenterology.
C. S. Mott Children's Hospital
Adam Cardullo is a Pediatric Gastroenterologist and a Pediatrics provider practicing medicine in Ann Arbor, Michigan. Dr. Cardullo is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Eosinophilic Esophagitis, Chronic Idiopathic Constipation (CIC), Esophagitis, Celiac Disease, and Gastrostomy. Dr. Cardullo is board certified in Pediatric Gastroenterology and Pediatrics.
C. S. Mott Children's Hospital
George M. Zacur, M.D., M.S. is a member of the faculty of the Division of Pediatric Gastroenterology within the Department of Pediatrics. Dr. Zacur is a native of Miami, FL and earned his degree in medicine at the University of Miami Miller School of Medicine. He also completed his residency in pediatrics at the University of Miami-Holtz Children’s Hospital/Jackson Memorial Medical Center. He then completed his fellowship in pediatric gastroenterology at Cincinnati Children’s Hospital Medical Center. Dr. Zacur has a special interest in Inflammatory Bowel Disease (Crohn Disease and Ulcerative Colitis) and advanced endoscopy. Dr. Zacur is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Bile Duct Cysts, Eosinophilic Esophagitis, Crohn's Disease, Colonoscopy, and Endoscopy. Dr. Zacur is board certified in Pediatric Gastroenterology.
Taubman Center
Mary Takami is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Ann Arbor, Michigan. Dr. Takami is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. She is also highly rated in 29 other conditions, according to our data. Her clinical expertise encompasses Achalasia, Swallowing Difficulty, Painful Swallowing, Colonoscopy, and Gastrectomy.
Taubman Center
"Matthew J. DiMagno, MD, AGAF, received his bachelor's degree from Macalester College, a medical degree from the University of Minnesota and training in internal medicine from the University of Michigan. He went on to complete both a fellowship in gastroenterology and a post-doctoral fellowship in experimental pancreatitis at the University of Michigan. After completing fellowship training, Dr. DiMagno joined the faculty 2001 at Michigan, where he is Clinical Professor of Internal Medicine, Division of Gastroenterology. He serves as a medical pancreatologist, director of the Comprehensive Pancreas Program (2018-) and the National Pancreas Foundation (NPF) Center of Excellence for pancreatitis (2022-), GI director of the adult cystic fibrosis program (2014-), and recent director for the general gastroenterology clinic (2014-2022).Dr. DiMagno has an active clinical research program which has received funding from the federal government to support research in acute and chronic pancreatitis.Dr. DiMagno has coauthored 76 peer-reviewed manuscripts, reviews and book chapters. He serves on several editorial boards.Dr. DiMagno has served as Medical Director, The National Pancreas Foundation State Chapter of Michigan (2016-2022), Chair of the American Gastroenterological Association (AGA) Institute Council Pancreatic Disorders Section Committee (2014-16), and Chair of the nominating committee for the AGA Institute Council Pancreatic Disorders Section Committee (2016-19).Dr. DiMagno has participated in and directed numerous national and international continuing medical education programs in gastroenterology. He has also directed local, annual educational events for patients and caregivers (2016-2021), focused on pancreatic disorders. His clinical expertise is recognized by election to the University of Michigan (UofM) Department of Internal Medicine Clinical Excellence Society, entitled, Academiae Laureati Medici (2018), election to the roster of ""Best Doctors"" since 2015, and recognition as one of 10 Gastroenterologists focused on pancreatic disorders & diseases by Becker’s Ambulatory Surgical Center (ASC) Review in 2014.". Dr. Dimagno is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Chronic Pancreatitis, Acute Pancreatitis, Exocrine Pancreatic Insufficiency, Colonoscopy, and Gastrectomy. Dr. Dimagno is board certified in Gastroenterology.
Taubman Center
Dr. Kwon joined the Division of Gastroenterology in 2005 and is currently a Clinical Professor. He received his bachelor's degree from Amherst College and his medical degree from UCLA Medical School. He completed his internal medicine residency at Cedars-Sinai Medical Center and his gastroenterology fellowship at Brigham and Women's Hospital (BWH). He also completed his advanced endoscopy fellowship at the combined BWH and Massachusetts General Hospital program. He earned his Master of Science in Clinical Research Design and Statistical Analysis at the University of Michigan. Dr. Kwon is currently the Director of Advanced Endoscopy, Program Director for the Advanced Endoscopy fellowship, and Co-director of the Comprehensive Pancreas Program. He also serves as the Medical Director of the Michigan Chapter of the National Pancreas Foundation. He is a principal investigator in several independently funded research studies and has been an author on over 100 publications, including multiple research studies, national guidelines, and book chapters. He is a sought-after speaker, having served as invited faculty at multiple regional, national and international courses. Dr. Kwon is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Hereditary Pancreatitis, Bile Duct Obstruction, Pancreatic Cancer, Endoscopy, and Lithotripsy. Dr. Kwon is board certified in Gastroenterology.
Taubman Center
George Philips is a Gastroenterologist practicing medicine in Ann Arbor, Michigan. Dr. Philips is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Bile Duct Stricture, Cholestasis, Colonoscopy, and Endoscopy.
Taubman Center
Shanti Eswaran is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Ann Arbor, Michigan. Dr. Eswaran is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. She is also highly rated in 36 other conditions, according to our data. Her clinical expertise encompasses Irritable Bowel Syndrome (IBS), Diarrhea, Chronic Idiopathic Constipation (CIC), Endoscopy, and Colonoscopy. Dr. Eswaran is board certified in Gastroenterology.
Taubman Center
Eric D. Shah MD MBA FACG is an Associate Professor in the Division of Gastroenterology and Hepatology. Dr. Shah is director of the Michigan Medicine GI Physiology Laboratories. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Chronic Idiopathic Constipation (CIC), Irritable Bowel Syndrome (IBS), Bowel Incontinence, Endoscopy, and Colonoscopy. Dr. Shah is board certified in Internal Medicine and Gastroenterology.
Taubman Center
PHD, Massachusetts Institute of Technology, Cambridge, Massachusetts, 2001 MPH, Harvard School of Public Health, Boston, Massachusetts, 2008. Dr. Speliotes is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Non-Alcoholic Fatty Liver Disease, Obesity, Cirrhosis, and Neuroma Biliary Tract. Dr. Speliotes is board certified in Internal Medicine and Gastroenterology.
Taubman Center
Dr. Joan Chen received her Bachelor’s degree from the Johns Hopkins University and her Medical degree from the Vanderbilt University School of Medicine. She completed her Internal Medicine residency and Gastroenterology fellowship at Northwestern University. After her general GI fellowship, she completed an additional Esophageal fellowship at Northwestern University. She earned a master’s degree in clinical investigation (MSCI) at the Northwestern School of Public Health. Dr. Chen joined the University of Michigan faculty in 2013, where she is the Director of Esophageal Motility since 2017. Her clinical and research interests include swallowing disorders, gastroesophageal reflux disease, eosinophilic esophagitis, and esophageal motility disorders. Dr. Chen works closely with her UM colleagues in the Thoracic Surgery, Ear Nose and Throat, Speech Pathology, Rheumatology, Dermatology Departments, as well as the Behavioral Psychologists and Dietitians in the GI Department. Dr. Chen’s method to patient care often relies on collaborative, multidisciplinary, and patient-centered approaches.Outside of the Institution, Dr. Chen has been invited to speak at national and international conferences. She is an active member of several professional GI organizations including the American Gastroenterological Association, the American Foregut Society, the American Neurogastroenterology and Motility Society, the Rome Foundation, and the American College of Gastroenterology. She is a regular contributor to peer-reviewed publications and book chapters, and she has participated in the development of several recent guidelines for management of esophageal diseases. Dr. Chen enjoys running, cycling, traveling, and reading outside of work. In addition to English, she is fluent in Mandarin, Chinese. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Achalasia, Esophagitis, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy. Dr. Chen is board certified in Gastroenterology.
Taubman Center
Dr. Sharma is board certified in transplant hepatology and gastroenterology. Her clinical interests include liver transplantation, diagnosis and treatment of liver diseases including alcohol associated liver disease, nonalcoholic fatty liver disease, viral hepatitis, primary biliary cholangitis, autoimmune hepatitis and primary sclerosing cholangitis, hepatocellular carcinoma, cirrhosis, and complications of portal hypertension. Her research interests include access and disparities related to liver disease and liver transplant, liver allocation, renal dysfunction before and after liver transplantation. Dr. Sharma is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Hepatorenal Syndrome, Liver Failure, Hepatitis, Liver Transplant, and Kidney Transplant. Dr. Sharma is board certified in Transplant Hepatology and Gastroenterology.
Taubman Center
Andrew Read is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Ann Arbor, Michigan. Dr. Read is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Angiodysplasia of the Colon, Tenesmus, Irritable Bowel Syndrome (IBS), Colonoscopy, and Endoscopy.
Taubman Center
Graham Brady is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Ann Arbor, Michigan. Dr. Brady is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Non-Alcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis (NASH), Hepatitis, and Macroamylasemia.
U Of M Anesthesiology
John Cowen is a Pain Medicine specialist and an Anesthesiologist practicing medicine in Ann Arbor, Michigan. Dr. Cowen is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. His clinical expertise encompasses Acute Pain, Cervical Spondylosis, Scaphoid Non-Union, and Invertebral Disc Disease. Dr. Cowen is board certified in Anesthesiology and Pain Medicine.
Taubman Center
Joel Rubenstein, M.D., M.Sc. is Director of the Barrett's Esophagus Program and Professor in the Division of Gastroenterology at the University of Michigan. He is also a Research Scientist at the Veterans Affairs Center of Excellence for Clinical Management Research.Dr. Rubenstein earned a Bachelors of Science from the University of Michigan, majoring in biophysics. He then earned his medical degree from Washington University in St. Louis. After completing his residency training in internal medicine at the University of Chicago, Dr. Rubenstein returned to the University of Michigan, where he completed fellowship training in gastroenterology, earned a Masters of Science in Clinical Research Design and Statistical Analysis, and then joined the faculty of the Division of Gastroenterology in 2004.Dr. Rubenstein is a recognized expert in the diagnosis and management of Barrett's esophagus, a precancerous lesion associated with esophageal cancer. His research aims to develop efficient management strategies for identifying Barrett's esophagus and preventing death from esophageal cancer. Dr. Rubenstein's research has been supported by the National Institutes of Health, the Department of Veterans Affairs, Department of Defense, the Damon Runyon Cancer Research Foundation, and other sources. In addition to Barrett's esophagus, Dr. Rubenstein has clinical expertise in other esophageal disoders, including achalasia and eosinophilic esophagitis.Dr. Rubenstein is the former Chair of the Clinical Practice Section of the American Gastroenterology Association, and current Associated Editor of the American Journal of Gastroenterology. Dr. Rubenstein is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Gastroesophageal Reflux Disease (GERD), Esophageal Cancer, Endoscopy, and Colonoscopy. Dr. Rubenstein is board certified in Gastroenterology.
Taubman Center
Beth Manoogian is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Ann Arbor, Michigan. Dr. Manoogian is rated as an Experienced provider by MediFind in the treatment of Intestinal Cancer. She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Hemorrhagic Proctocolitis, Cholangitis, and Colonoscopy.
Last Updated: 04/28/2026



















