Notice: Fall 2017 exams affected by natural disasters... More >

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ABIM knows that we have many physicians whose lives have been upended by recent natural disasters. If you live or work near an affected area, we understand that the weather may have impacted your ability to take your Fall 2017 exam as scheduled. We have developed a series of options to help you get through this process as smoothly as possible. If you have any questions, please call us at 1-800-441-ABIM (2246) or email request@abim.org.

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Initial Certification indicates that physicians have met rigorous standards through intensive study, accredited training and evaluation and that they have the clinical judgment, skills and attitudes essential for the delivery of excellent patient care.

MOC is a professionally determined standard that attests that an internist is staying current in knowledge and practice throughout his/her career.

For more than 75 years, Certification by ABIM has stood for the highest standard in internal medicine and its 20 subspecialties.

Gastroenterology Board Exam Committee

William J. Tremaine, MD, Chair

Dr. Tremaine is a Consultant in Gastroenterology and the Maxine and Jack Zarrow Professor, Division of Gastroenterology, at the Mayo Clinic in Rochester, Minnesota. He is also currently the Medical Director of the Human Research Protection Program of the Mayo Clinic. He is board certified in Internal Medicine and Gastroenterology.

Dr. Tremaine's clinical and research interest is in inflammatory bowel disease. He was the first director of the Inflammatory Bowel Disease Clinic at the Mayo Clinic. He served as Chair of the Grants Review Committee of the Crohn's & Colitis Foundation of America from 2012 to 2015. He is Chair of the American Board of Internal Medicine Gastroenterology Board Exam Committee and has been an Associate Editor of the Inflammatory Bowel Diseases journal for the past 21 years.

Dr. Tremaine received a bachelor's degree from Vanderbilt University and a medical degree from the University of Mississippi. He completed residency training in internal medicine and a fellowship in gastroenterology at the Mayo Clinic in Rochester, Minnesota.

As of January 2017, Dr. Tremaine reported the following external relationships:

Work as an author or editor for following companies, with compensation as listed:

  • Crohn's and Colitis Foundation of America, receiving compensation as Clinical Trials Section Editor for the journal Inflammatory Bowel Disease.
  • American Gastroenterological Association, receiving compensation for drafting practice guidelines.

Lin Chang, MD

Dr. Chang is a Professor of Medicine and gastroenterologist in the Division of Digestive Diseases, Department of Medicine at the David Geffen School of Medicine at the University of California, Los Angeles (UCLA). She serves as the co-Director of the G. Oppenheimer Center for Neurobiology of Stress and Resilience at the David Geffen School of Medicine at UCLA. She is also Program Director of the UCLA Gastroenterology Fellowship Program.

Dr. Chang's clinical expertise is in functional gastrointestinal disorders, which include irritable bowel syndrome (IBS), chronic constipation and functional dyspepsia. She is a NIH-funded investigator studying brain-gut interactions underlying IBS. Specifically, her research is focused on the pathophysiology of IBS related to stress, early life adversity, sex differences and genetic and epigenetic factors; as well as gut microbiome and the treatment of IBS.

Dr. Chang is a member of the American Board of Internal Medicine Gastroenterology Board Exam Committee, the Rome Foundation Board of Directors, the Rome IV Editorial Board and the Functional Bowel Disorders Committee. She is a fellow of the American Gastroenterological Association and American College of Gastroenterology, and a member of the Society for Neuroscience. Currently, she is a member of the FDA Gastrointestinal Drugs Advisory Committee and the NIH Clinical, Integrative, Molecular Gastroenterology Study Section. She previously served as President of the American Neurogastroenterology and Motility Society. She is Associate Editor of Clinical Gastroenterology and Hepatology. Dr. Chang is the recipient of the Janssen Award in Gastroenterology for Basic or Clinical Research and the AGA Distinguished Clinician Award. She has authored more than 100 original research articles, 50 review articles, and 20 book chapters on her specialty interests.

Dr. Chang earned a medical degree from UCLA School of Medicine. She completed internal medicine residency and a medicine/gastroenterology fellowship at Harbor-UCLA Medical Center. She is board certified in Internal Medicine and Gastroenterology.

As of January 2017, Dr. Chang reported the following external relationships:

Dr. Chang serves in significant roles with the following organization, receiving reimbursement or compensation as listed:

  • Rome Foundation, Board Member, receiving a per diem for attending board meetings.

Amar R. Deshpande, MD

Dr. Deshpande, a board certified internist and gastroenterologist, is Associate Professor of Medicine in the Division of Gastroenterology and the Assistant Dean for Medical Education and Competency Assessment at the University of Miami (UM) Miller School of Medicine. He was previously the program director of the Gastroenterology fellowship, co-Director of the Internal Medicine clerkship for 3rd year medical students, and Director of the pathophysiolology modules for 2nd year medical students, roles for which he won numerous teaching awards. He is also the faculty advisor of the student-run Department of Community Service at UM, a group that has won national awards for its commitment to caring for thousands of the underserved in South Florida through health fairs, free clinics and other events.

Dr. Deshpande sees patients and does research at the University of Miami Crohn's and Colitis Center. He is co-Director of the Advanced IBD fellowship and Vice Chief for Education in the Division of Gastroenterology.

He is a member of the American Board of Internal Medicine Gastroenterology Board Exam Committee. He has authored many articles, book chapters and reviews in prestigious gastroenterology and internal medicine journals with multiple presentations at national and international meetings. Dr. Deshpande is a reviewer for multiple gastroenterology journals and sits on the editorial board of the Journal of Crohn's and Colitis as well as other IBD-related advisory boards.

Dr. Deshpande completed his medical degree at the University of Miami School of Medicine and then stayed at the University of Miami and Jackson Memorial Hospital for his internal medicine residency and gastroenterology fellowship.

As of July 2017, Dr. Deshpande reported the following external relationships:

Funding for clinical trial expenses, salary support and staff, paid to the University of Miami, from the following company:

  • Takeda Pharmaceuticals, for a randomized control trial of vedolizumab with pentoxifylline versus placebo for Crohn's disease.

Service on a research-related expert panel or advisory board, receiving compensation from the following company as listed:

  • GI Health Foundation, for an inflammatory bowel disease advisory board, receiving funding for project expenses.

David R. Lichtenstein, MD

Dr. Lichtenstein is the Director of Gastrointestinal Endoscopy at Boston Medical Center and Associate Professor of Medicine at Boston University School of Medicine. He is board certified in both Internal Medicine and Gastroenterology.

Dr. Lichtenstein is a recognized educator in endoscopic approaches for diagnosing and managing gastrointestinal hemorrhage, pancreaticobiliary tract disorders, and gastrointestinal malignancies. He supervises Gastroenterology Fellowship training in advanced endoscopic procedures and is responsible for evaluating and implementing new endoscopic technologies at Boston Medical Center.

Dr. Lichtenstein is member of the American Board of Internal Medicine Gastroenterology Board Exam Committee. He is an active member and current fellow of the American Society for Gastrointestinal Endoscopy (ASGE), American College of Gastroenterology and American Gastroenterological Association. He has been recognized in The Best Doctors in America, Boston Magazine's “Best Doctors of Boston”, as well as Castle Connolly's Guide to America's Top Doctors. He is the former Chair of the Endoscopic Retrograde Cholangiopancreatography Section of the Annual Scientific Program Committee for Digestive Disease Week, and Chair of the Assessment and Certification Task Force that introduced a series of Skills Training Assessment Reinforcement educational programs for the ASGE. He has also served on the ASGE Research, Standards of Practice, International, Web Education, Technology, and Gastrointestinal Endoscopy Self-Assessment Program Committees. In addition, he was the past President of the New England Endoscopy Society.

Dr. Lichtenstein received his medical degree from the University of Pennsylvania School of Medicine. He completed residency training in internal medicine at Duke University Medical Center and received fellowship training in gastroenterology at Beth Israel Hospital in Boston. He later served as Chief Medical Resident at Duke University Medical Center and subsequently received advanced interventional endoscopy training at Duke University Medical Center and Brigham and Women's Hospital.

As of January 2017, Dr. Lichtenstein reported the following external relationships:

Dr. Lichtenstein reported receiving honoraria and reimbursement for travel expenses from the American College of Gastroenterology and the American Society for Gastrointestinal Endoscopy for continuing medical education lectures.

Ugochukwu C. Nzeako, MD, MPH

Dr. Nzeako is a board certified gastroenterologist and a Partner at Watson Clinic LLP, a large private multispecialty group in Lakeland, Florida. During his time at Watson Clinic, he has served two terms as Spokesperson (Head) of the Gastroenterology Department.

In addition to a full-time clinical gastroenterology practice, Dr. Nzeako serves as an Academic Editor for the online journal, Medicine, and as a reviewer for several other journals. He is the author of several scholarly articles in the fields of gastroenterology and hepatology, as well as gastrointestinal and hepatic pathology. Dr. Nzeako has also published articles on the diagnosis and management of gastrointestinal manifestations of hereditary angioedema from the gastroenterologists perspective. He serves as a member of the American Board of Internal Medicine Gastroenterology Board Exam Committee.

Dr. Nzeako received his medical degree from the University of Nigeria in 1987. His postgraduate medical training includes a Callendar-Binford Fellowship in Gastrointestinal and Liver Pathology at the Armed Forces Institute of Pathology in Washington, District of Columbia; an internal medicine residency at the University of Connecticut; and a gastroenterology fellowship at the Mayo Clinic in Rochester, Minnesota. He also holds a master's degree in public heath from the University of Sydney, Australia. Dr. Nzeako is a member of the American College of Gastroenterology and the American Gastroenterological Association.

As of January 2017, Dr. Nzeako reported no external relationships.

Charlene M. Prather, MD

Bio coming soon.

As of January 2017, Dr. Prather reported no external relationships.

Nancy S. Reau, MD

Dr. Reau, board certified in Internal Medicine, Gastroenterology and Transplant Hepatology, is currently Associate Director of Solid Organ Transplantation and Section Chief of Hepatology at Rush University Medical Center.

She previously served as Assistant Professor of Medicine at Rush University in Chicago from 2002 to 2005. She became an Associate Professor of Medicine in 2010, Medical Director of Hepatology Clinical and Translational Research in 2015, and then joined Rush University Medical Center in 2015.

Dr. Reau's research interest is in viral hepatitis, both in drug development as well as utilization. She is currently a member of the American Board of Internal Medicine Gastroenterology Board, the American Association for the Study of Liver Diseases (AASLD) steering committee for the hepatitis C special interest group and a member of the AASLD/IDSA Practice Guidelines for hepatitis C and served as the chair of the AASLD public policy committee. She is a member of the American College of Gastroenterology women's training committee. She has been a member of the national board of directors of the American Liver Foundation (ALF) and served as the president of the Illinois chapter. She is currently co-chair of the National ALF Medical Advisory Committee and serves on multiple advisory boards including Medscape and Medivo.

Dr. Reau received her undergraduate degree at Oberlin College in Oberlin Ohio and doctorate of medicine, cum laude, from The Ohio State University in Columbus, Ohio. She completed a medicine residency and a gastroenterology fellowship at The Ohio State University. She went to the Johns Hopkins Medical Center in Baltimore, Maryland, where she did her advanced transplant hepatology fellowship in 2001.

As of January 2017, Dr. Reau reported the following external relationships:

Funding for clinical trial expenses and staff, paid to the University of Chicago, from the following company

  • AbbVie, to support NextGen studies.

Service on a research-related expert panel or advisory board for the following companies, with compensation as listed:

  • Abbott, advising on technology for hepatitis B and hepatitis C, receiving honoraria.
  • AbbVie, serving on a national advisory board for clinical development in hepatitis C, receiving travel reimbursement and honoraria.
  • Gilead, serving on a national advisory board for clinical development in hepatitis C, receiving travel reimbursement and honoraria.
  • Merck, advising on national and global development in hepatitis C, receiving travel reimbursement and honoraria.

Consulting on design of new drugs or devices, clinical trials, the use of specific agents or other research-related activities for the following company, with compensation as listed:

  • Medscape, consulting on viral hepatitis education, receiving honoraria.

Industry-supported continuing medical education supported by the following, with compensation for travel expenses and honoraria:

Dr. Reau develops educational content for continuing medical education on hepatitis C and provides an update to the American Association for the Study of Liver Disease for Clinical Care Options, receiving honoraria. Clinical Care Options is a medical education company that develops educational content and decision support tools.

Dr. Reau develops educational content for continuing medical education on hepatitis C receiving honoraria from the Chronic Liver Disease Foundation, which receives support from educational grants from multiple pharmaceutical companies.

Dr. Reau develops and delivers educational content for continuing medical education on hepatitis C for PRIME, receiving reimbursement for travel expenses and honoraria. PRIME is a medical education company which receives support from educational grants from multiple pharmaceutical companies.

Dr. Reau develops and delivers educational content for continuing medical education on hepatitis C for Vindico, receiving reimbursement for travel expenses and honoraria. Vindico is a medical education company which receives support from educational grants from multiple pharmaceutical companies

Dr. Reau serves in significant roles with the following organizations, receiving reimbursement or compensation as listed:

  • American Association for the Study of Liver Disease, Member of the Steering Committee for the Hepatitis C Special Interest Group, without compensation.
  • American College of Gastroenterology, Member of the Training Committee, without compensation.
  • Primrose Healthcare, Advisory Board Member, receiving consulting fees.

Christopher E. Shih, MD

Dr. Shih is currently a partner with Regional Gastroenterology Associates of Lancaster in Lancaster, Pennsylvania. He serves on several committees within his practice as well as on the Engagement Council Physician Subcommittee of Lancaster General Health/Penn Medicine, and is a graduate of the Lancaster General Health Physician Leadership Academy.

Previously, he was a partner with Capital Digestive Care in the Washington, District of Columbia area.

Dr. Shih frequently gives lectures and contributes scholarly articles to organizations within his community. He is actively involved in community and charitable services, sits on the boards of multiple local nonprofit groups. He is a member of the American Board of Internal Medicine Gastroenterology Board Exam Committee and a fellow of the American College of Gastroenterology. He is also an accomplished pianist with an international reputation and a busy concertizing schedule.

Dr. Shih received his bachelor's degree in biochemistry cum laude from Harvard University and his medical degree from The Johns Hopkins University School of Medicine. He did his internal medicine residency training at the University of Pennsylvania and his gastroenterology fellowship training at Johns Hopkins. He is board certified in Gastroenterology.

As of January 2017, Dr. Shih reported no external relationships.

Joseph C. Yarze, MD

Dr. Yarze is a board certified internist and gastroenterologist. Since 1994, he has been in private practice at the Gastroenterology Associates of Northern New York in Glens Falls, New York.

In 1991, Dr. Yarze worked as a gastroenterology staff consultant at The Guthrie Clinic in Sayre, Pennsylvania. While there, he received the Dean's Award for Excellence in Clinical Teaching from the Hahnemann Medical School. Dr. Yarze has previously served as the Medical Director of the Glens Falls Hospital GI Center and as the Quality Improvement Officer for Northern GI Endoscopy, an office-based ambulatory endoscopy unit.

Dr. Yarze serves on the American Board of Internal Medicine Gastroenterology Board Exam Committee. He presently serves on the Editorial Review Board for Gastrointestinal Endoscopy. Dr. Yarze is a volunteer teacher at Albany Medical College, where he is a Clinical Associate Professor of Medicine. He previously served on the American Society for Gastrointestinal Endoscopy (ASGE) Standards of Practice, Healthcare and Public Policy and Budget and Financial Planning committees. Dr. Yarze implemented and staffs a “free for service” gastroenterology clinic on his weekends off, which serves the uninsured in rural northeastern New York. He has contributed more than 185 articles/book chapters/letters and abstracts in peer-reviewed journals and books. Dr. Yarze is a fellow of the American College of Physicians, the American College of Gastroenterology, the ASGE, the American Gastroenterological Association and the American Association for the Study of Liver Diseases.

Dr. Yarze matriculated into medical school prior to completing undergraduate studies in chemistry at Rutgers University and holds a medical degree from Rutgers Medical School. He completed his internship, residency and fellowship in gastroenterology at the Thomas Jefferson University Hospital, in Philadelphia, Pennsylvania.

As of January 2017, Dr. Yarze reported no external relationships.