The 20 Best Diverticular Disease Doctors Near Me in Ann Arbor, MI
Find the Top Diverticular Disease Experts and Specialists
Taubman Center
Scott Regenbogen, MD, MPH is a Professor of Surgery and Division Chief of Colorectal Surgery. He graduated from Princeton University with an A.B. in psychology, and received his M.D. degree from the University of California, San Francisco. He completed General Surgery residency at the Massachusetts General Hospital, including three years as a Postdoctoral Fellow in Health Services Research, and was awarded a Master’s in Public Health from the Harvard School of Public Health. He then completed fellowship training in Colon and Rectal Surgery at the Lahey Clinic, and joined the faculty of the University of Michigan in 2011.Clinical SpecializationDr. Regenbogen's clinical practice includes the evaluation and management of benign and neoplastic diseases of the small bowel, colon, rectum, and anus. He has a particular interest in the use of laparoscopic techniques for the management of colorectal cancer, diverticular disease and inflammatory bowel disease. Dr. Regenbogen is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Anal Cancer, Ileostomy, and Hernia Surgery. Dr. Regenbogen is board certified in Surgery and Colon & Rectal Surgery.
U Of M Radiology
Andrew Kure is a Radiologist practicing medicine in Ann Arbor, Michigan. Dr. Kure is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Splenomegaly, Wandering Spleen, Pleurisy, and Ureterocele. Dr. Kure is board certified in Diagnostic Radiology.
Taubman Center
John C. Byrn, M.D is a Clinical Professor of Surgery in the Division of Colorectal Surgery. He graduated from Hope College with a B.A. in Chemistry and received his MD degree from the University of Illinois-Chicago College of Medicine. He trained in general surgery at Mount Sinai School of Medicine in New York, NY. Dr. Byrn went on for his Colon and Rectal residency at the Cleveland Clinic, Cleveland, OH. Dr. Byrn was a Clinical Assistant and Associate Professor of Surgery at the University of Iowa Hospitals and Clinics from 2009-2015 and served as the Chief of the Section of Colorectal Surgery from 2013-2105. Dr. Byrn is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Rectal Prolapse, Familial Colorectal Cancer, Ileostomy, and Colostomy. Dr. Byrn is board certified in Surgery and Colon & Rectal Surgery.
Taubman Center
Dr. Michael McGee is Clinical Associate Professor of Surgery and Chief of the Division of Colorectal Surgery at the University of Michigan. Prior to obtaining his medical degree at Drexel University, he was trained as a mechanical engineer. After completing general surgery training at Case Western Reserve University, Dr. McGee completed colorectal surgery fellowship at Cleveland Clinic. While at Case Western, Dr. McGee completed the Dudley P. Allen Scholarship dedicated to clinical research in minimally invasive surgery and surgical endoscopy. Dr. McGee was recruited to Northwestern University where he practiced for 11 years and held several system-wide administrative roles for Northwestern Medicine before joining the University of Michigan in 2022. Dr. McGee’s clinical interests include complex re-operative abdominal surgery, minimally invasive colorectal surgery, surgical endoscopy, and anorectal surgery for cancer and inflammatory bowel disease. He served as co-director of the 50+ hospital Illinois Surgical Quality Improvement Collaborative (ISQIC) where he led day-to-day operations and statewide quality improvement projects for thousands of surgical patients in Illinois. Dr. McGee’s research interests include surgical quality improvement, implementation science, and patient education. He is an active member of several national surgical organizations, multiple editorial boards, and has authored over fifty publications and received multiple grants and awards for research, teaching, and humanism. Dr. Mcgee is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Anal Cancer, Familial Colorectal Cancer, Gastrointestinal Fistula, Colostomy, and Hernia Surgery. Dr. Mcgee is board certified in Surgery and Colon & Rectal Surgery.
Cardiovascular Center
Xhorlina Marko is a Radiologist and an Interventional Radiologist practicing medicine in Ann Arbor, Michigan. Dr. Marko is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Deep Vein Thrombosis, SVC Obstruction, Nasal Flaring, Thrombectomy, and Bone Marrow Aspiration. Dr. Marko is board certified in Interventional Radiology & Diagnostic Radiology.
U Of M General Surgery
Raymond A. Jean, MD MHS is a faculty member in the Division of Acute Care Surgery. Dr. Jean graduated with an A.B. in Engineering Sciences from Harvard University. He went on to receive his medical degree from the Washington University in St. Louis School of Medicine, where in addition to an M.D., he received a M.A. in outcomes research. He then completed his internship and residency in General Surgery at Yale-New Haven Hospital in Connecticut. During that time, he also obtained a M.H.S. degree from the Yale School of Medicine. He then completed a fellowship in Trauma and Surgical Critical Care at the University of Washington’s Harborview Medical Center in Seattle, Washington before joining the Division of Acute Care Surgery at the University of Michigan.Clinical Specialization:Dr. Jean specializes in the surgical treatment and management of patients who suffer injuries from trauma, or emergent general surgery conditions. Furthermore, he specializes in surgical critical care and management of patients in the Trauma/Burn Intensive Care Unit. Dr. Jean is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Retroperitoneal Inflammation, Ogilvie Syndrome, Acute Respiratory Distress Syndrome (ARDS), Small Bowel Resection, and Appendectomy.
U Of M Radiology
Michael Todd is a Radiologist practicing medicine in Ann Arbor, Michigan. Dr. Todd is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Pleurisy, Pleural Effusion, and Biliary Dyskinesia. Dr. Todd is board certified in Diagnostic Radiology.
U Of M Radiology
Howard Francois is a Radiologist practicing medicine in Ann Arbor, Michigan. Dr. Francois is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Osteopenia, Melorheostosis, Melorheostosis with Osteopoikilosis, and Tenosynovitis. Dr. Francois is board certified in Diagnostic Radiology.
U Of M Radiology
Hannan Saad is a Radiologist practicing medicine in Ann Arbor, Michigan. Dr. Saad is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Pulmonary Vein Stenosis, Congenital Giant Megaureter, Splenomegaly, Pleurisy, and Splenectomy. Dr. Saad is board certified in Diagnostic Radiology.
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 Diverticular Disease. 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
Dr. Raghavendran is a Professor of Surgery in the Division of Acute Care Surgery. He received his medical education in India and immigrated to the United States in 1991, wherein he completed his Surgical Residency and subsequent fellowship in Surgical Critical Care. He has a long-standing interest in global health and established research collaborations between India and the University of Michigan medical school. He serves as one of the lead physicians for the University of Michigan India collaborative, a distinct platform under Global Reach. The collaborative extends across multiple sub-specialties and is currently working with many institutions across India. He has also been working on similar collaborative efforts in Ethiopia and Taiwan. Clinical Specialization:Dr. Raghavendran specializes in acute care surgery including trauma and care of the critically ill. Areas of publication include VTE, aspiration-induced lung injury, pulmonary surfactant biology and decompressive craniectomy for TBI. He has also been involved in the study of TBI and trauma systems in the global arena. Dr. Raghavendran is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Retroperitoneal Inflammation, Ogilvie Syndrome, Acute Respiratory Distress Syndrome (ARDS), Hernia Surgery, and Gallbladder Removal.
U Of M Radiology
Dr. Zintsmaster is a member of the Emergency Radiology Division. Prior to joining Michigan Medicine, Dr. Zintsmaster worked in private practice with Ascension followed by dedicating his clinical time to Emergency Radiology at Henry Ford Health. Dr. Zintsmaster is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His clinical expertise encompasses Diverticular Disease, Gallbladder Disease, Pleural Effusion, and Pleurisy.
Taubman Center
Dr. Brian George is the Division Head for Acute Care Surgery at Michigan Medicine. Dr. George received his BSE in Engineering Physics at the University of Michigan before obtaining his MD from the University of California San Francisco School of Medicine. He went on to complete his surgical residency at the Massachusetts General Hospital. During his residency he also completed a post-doctoral fellowship in Surgical Education Research at Northwestern University, a post-doctoral fellowship in Surgical Education and Leadership at the American College of Surgeons, and a Master’s of Education at the University of California Berkeley. He completed his Trauma/Critical Care fellowship at the University of Washington’s Harborview Medical Center prior to joining the faculty at the University of Michigan.Clinical Specialization: Dr. George provides clinical care in trauma surgery, non-trauma emergency surgery, general surgery and surgical critical care. Dr. George is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Ogilvie Syndrome, Retroperitoneal Inflammation, Choledocholithiasis, Mastoidectomy, and Colostomy.
Rogel Cancer Center
Calista Harbaugh, M.D. M.Sc. is a faculty member in the Division of Colorectal Surgery. Dr. Harbaugh graduated Summa Cum Laude with a B.S.E. in Biomedical Engineering from the University of Michigan in Ann Arbor, Michigan. She went on to receive her medical degree from the University of Michigan School of Medicine with Alpha Omega Alpha honors. She then completed her internship and residency in General Surgery at the University of Michigan, including 2 years as a Clinician Scholar in the National Clinician Scholars Program at the University of Michigan where she earned her Master’s degree in Health and Healthcare Research. She completed the Colon & Rectal Surgery Fellowship at the University of Minnesota, and returned to the University of Michigan as an Assistant Professor of Surgery.Clinical Specialization: Dr. Harbaugh’s clinical practice includes the evaluation and management of benign and neoplastic diseases of the small bowel, colon, rectum, and anus. She has a particular interest in the use of laparoscopic and robotic techniques for the management of colorectal cancer, diverticular disease and inflammatory bowel disease. Dr. Harbaugh is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Rectal Prolapse, Familial Colorectal Cancer, Colorectal Cancer, Hemorrhoidectomy, and Ureteroscopy. Dr. Harbaugh is board certified in Surgery and Colon & Rectal Surgery.
U Of M Radiology
Richard Cohan is a Radiologist practicing medicine in Ann Arbor, Michigan. Dr. Cohan is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Boils, Folliculitis, Carbuncle, and Renal Cell Carcinoma (RCC). Dr. Cohan is board certified in Diagnostic Radiology.
Rogel Cancer Center
Mishal Mendiratta is a Radiologist practicing medicine in Ann Arbor, Michigan. Dr. Mendiratta is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. She is also highly rated in 40 other conditions, according to our data. Her clinical expertise encompasses Liver Cancer, Fibrolamellar Carcinoma, Visceromegaly, and Cholangiocarcinoma (Bile Duct Cancer).
U Of M Radiology
Joel Platt is a Radiologist practicing medicine in Ann Arbor, Michigan. He has been practicing medicine for over 44 years. Dr. Platt is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Undifferentiated Pleomorphic Sarcoma, Synovial Sarcoma, Ureterocele, and Rhabdomyosarcoma Embryonal.
U Of M Radiology
Daniel Barkmeier is a Radiologist practicing medicine in Ann Arbor, Michigan. Dr. Barkmeier is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 51 other conditions, according to our data. His clinical expertise encompasses WT1-Related Wilms Tumor Syndromes, Thyroid Nodule, Adrenal Cancer, and Renal Cell Carcinoma (RCC). Dr. Barkmeier is board certified in Diagnostic Radiology.
U Of M Radiology
James Ellis is a Radiologist practicing medicine in Ann Arbor, Michigan. Dr. Ellis is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses WT1-Related Wilms Tumor Syndromes, Retroperitoneal Fibrosis, Intussusception in Children, Cataract Removal, and Nephrectomy. Dr. Ellis is board certified in Diagnostic Radiology.
U Of M Radiology
Kimberly Shampain is a Radiologist practicing medicine in Ann Arbor, Michigan. Dr. Shampain is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. She is also highly rated in 40 other conditions, according to our data. Her clinical expertise encompasses Visceromegaly, Ascites, Nonalcoholic Steatohepatitis (NASH), and Muscle Invasive Bladder Cancer. Dr. Shampain is board certified in Diagnostic Radiology.
Last Updated: 04/28/2026



















