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William A. Faubion, Jr., M.D.

  1. Gastroenterologist


  1. Phoenix, Arizona




Dr. William Faubion is a dual certified specialist in pediatric and adult Gastroenterology with a focused interest in IBD, having nearly 20 years of experience in GI and IBD related ailments. Dr. Faubion focuses on complex disease and the transition of pediatric patients to adult models of care. His clinical practice is both consultative and established. Along with his clinical interests, he has an NIH funded laboratory focusing on immune causes of these diseases. Given significant efforts in developing a large registry of IBD patients, he also leads a translational research group focused on understanding complex causes of this disease.

Specific interests and specializations:

  • Complex adult and pediatric IBD
  • Mucosal Immunology
  • Pediatric clinical trials
  • Stem cell therapeutics
  1. Colonoscopy
  2. Endoscopic procedure
  • Inflammatory bowel disease (Crohn's disease/ulcerative colitis)
  • Pediatric to Adult care transition
  • Pediatric IBD clinical trials
  • Stem cell trials/research
  • Advanced endoscopy
  1. 2003
    Mayo Clinic Scholar - Laboratory of Dr. Cox TerhorstBeth Israel Deaconess Medical Center, Harvard Medical School
  2. 2001
    ResidentGastroenterology, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
  3. 2001
    Fellow - Pediatric and Adult GastroenterologyMayo Clinic in Rochester
  4. 1998
    ResidentPediatric Gastroenterology, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
  5. 1998
    Fellow - Gastrointestinal Fellow, Laboratory of Gregory J. Gores, MDCenter for Basic Research in Digestive Diseases, Mayo Clinic Rochester Centers
  6. 1996
    Resident - Internal Medicine/PediatricsTexas Medical Center, University of Texas, Houston
  7. 1992
    MDUniversity of Texas Health Science Center, Medical School, University of Texas, Houston
  8. 1988
    BADartmouth College


  1. 2003
    Pediatric GastroenterologyAmerican Board of Pediatrics
  2. 2000
    GastroenterologyAmerican Board of Internal Medicine

Awards and honors

  1. 2005
    REGAL Award, Continuing Education through a grant from Janssen Ortho-McNeil Primary Care, Inc., Centocor, Inc, and InScopeUniversity of Kansas Medical Center
  2. 2005
    Scholar AwardBerry Family Foundation
  3. 2001
    J. Arnold Bargen AwardMayo Clinic

Professional memberships

  1. 2021 - present
    Associate Medical DirectorCenter for Regenerative Medicine
  2. 2021
    Associate ChairDepartment of Medicine, Mayo Clinic Rochester
  3. 2021 - present
    Medical DirectorCDA Platform
  4. 2019 - 2021
    Member, Nominating CommitteePediatirc Gastroenterology and Developmental Biology (PGDB)
  5. 2019 - present
    Pediatric Gastroenterology and Developmental Biology Section Nominating CommitteeAmerican Gastroenterology Association (AGA)
  6. 2018 - 2022
    ChairClinician Investigator Training Program Committee
  7. 2018 - present
    MemberNorth American Society of Pediatric Gastroenterology, Hepatology and Nutrition
  8. 2018 - 2021
    MemberNational Scientific Advisory Committee, Crohn's and Colitis Foundation of America
  9. 2018 - present
    ChairInstitute Research Awards Panel, American Gastroenterology Association
  10. 2017 - 2021
    Vice ChairInstitutional Personnel Subcommittee, Institutional Research Committee, Mayo Clinic Committees
  11. 2017 - 2021
    Vice ChairResearch Personnel Subcommittee
  12. 2017 - 2020
    Vice Chair for ResearchResearch Committee, Department of Internal Medicine
  13. 2017 - present
    Research Awards PanelAmerican Gastroenterology Association (AGA)
  14. 2017 - present
    Nominating Committee, memberAGA Council, American Gastroenterological Association
  15. 2016 - present
    External ExaminerAga Khan University
  16. 2015 - 2021
    Committee MemberCrohn's and Colitis Foundation of America Research Fellowship Awards Committee
  17. 2013 - present
    DirectorMultidisciplinary Training Grant in Digestive Diseases, Division of Gastroenterology and Hepatology, Department of Internal Medicine
  18. 2013 - 2021
    Research ChairGI Research Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
  19. 2013
    Committee MemberGastroenterology Regulatory Endpoints and the Advancement of Therapeutics
  20. 2012 - present
    Committee MemberCrohn's and Colitis Foundation of America
  21. 2007 - present
    DirectorPediatric IBD Center
  22. 2003 - present
    MemberAdult IBD Interest Group
    MemberAmerican Medical Association
    MemberAmerican Academy of Pediatrics
    MemberAmerican Board of Internal Medicine
    MemberAmerican Gastroenterological Association
    MemberAmerican College of Gastroenterology


Research activities

See a description of research activities.