LocationRochester, MinnesotaLanguagesEnglishExisting patientsSend a secure message via patient portal Procedures performedUpper endoscopy InterestsEducationGeneral gastroenterologyEndoscopy-routine and complex Mayo Clinic locations Rochester, Minnesota Driving directions More info Billing & insurance Accessibility services Education1984ResidentGastroenterology, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine1984Fellow - GastroenterologyMayo Graduate School of Medicine, Mayo Clinic College of Medicine1982Resident - Internal Medicine (Served as Chief Resident 1981-1982)Geisinger Medical Center1980Resident - Internal MedicineTemple University1979MDHahnemann Medical College1975BS - Biology (magna cum laude)King's CollegeShow more education Activities and honorsCertifications1985GastroenterologyAmerican Board of Internal Medicine1982Internal MedicineAmerican Board of Internal MedicineAwards and honors2010Laureate AwardDepartment of Internal Medicine2008Department of Medicine & Internal Medicine Residency ProgramMayo Foundation2007GIH Teaching AwardDivision of Gastroenterology and Hepatology, Department of Internal Medicine2007Department of Medicine & Internal Medicine Residency ProgramMayo Foundation2005Excellence in inpatient teachingInternal Medicine Residency Program, Department of Internal Medicine2005Teacher of the YearMayo Foundation2002Teacher of the Year in Internal MedicineMayo Foundation2002Excellence in TeachingMayo Medical School, Mayo Clinic College of Medicine and Science, Department of Education Administration2000Excellence in TeachingMayo Medical School, Mayo Clinic College of Medicine and Science, Department of Education Administration1984Golden Apple Award (Teacher of the Year in Internal Medicine)Geisinger Clinic, Site Visit, North Central Cancer Treatment Group/Eastern Cooperative Oncology Group1979Merck Award-Academic ScholarshipMerck & Co., Inc.1979Academic Distinction-AnatomyAwarding Organization1979Dr. Joan Kornblum Memorial Award in Internal MedicineAwarding Organization1978Alpha Omega AlphaAlpha Omega Alpha Honor Medical Society1973MemberAquinas Society (Academic Honor Society)Show more awards and honorsProfessional memberships2010 - presentMemberGI Quality Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine2010 - presentMemberGI Credentialing and Privileging Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine2005 - 2010MemberInternal Medicine Resident's Committee, Department of Internal Medicine2005FellowAmerican Gastroenterological Association1998 - 2005MemberGI Education Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine MemberGeisinger 2000 Design Team, Division of Gastroenterology and Hepatology, Department of Internal Medicine MemberAmerican Society for Gastrointestinal Endoscopy MemberAmerican Association for the Study of Liver DiseasesShow more professional membershipsPublicationsSee my publicationsResearch activitiesSee a description of research activities. Procedures performedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20219893 Doctors & Medical Staff Mangan, Thomas F. M.D.