Deborah Denise Proctor MD

Professor of Medicine (Digestive Diseases); Medical Director, Inflammatory Bowel Disease Program; Site Director, Universidad del Valle, Cali, Columbia and Yale/Stanford, Johnson and Johnson Global Health Scholar Program; Board of Directors and Treasurer, Honduras Children's Project

Departments & Organizations

Yale Medical Group

LCME Medical Students Subcommittee

Office of Student ResearchInternal Medicine: Digestive Diseases: Gastroenterology: Inflammatory Bowel Disease Program; Gastrointestinal Procedure Center

Research Interests

Inflammatory Bowel Disease; Crohn's Disease; Ulcerative Colitis; Hereditary Hemorrhagic Telangiectasia more...


  • B.S., University of Toledo, 1978
  • M.D., University of Cincinnati, 1982

Selected Publications

  • Faubion WA, Fletcher JG, O'Byrne S, Feagan BG, de Villiers WJS, Salzberg B, Plevy S, Proctor DD, Valentine JF, Higgins PD, Harris JM, Diehl L, Wright L, Tew GW, Luca D, Basu K, Keir ME. EMerging BiomARKers in inflammatory bowel disease (EMBARK) study identifies fecal calprotectin, serum MMP9 and serum IL-22 as a novel combination of biomarkers for Crohn's disease activity - role of cross-sectional imaging. American Journal of Gastroenterology 2013; 108:1891–1900; doi:10.1038/ajg.2013.354; published online 15 October 2013.
  • Proctor DD. Missionary work – it’s about more than doing endoscopies. AGA Perspectives 2013;9(3):22-23.
  • Zhang CK, Hewett J, Hemming J, Grant T, Zhao H, Abraham C, Oikonomou I, Kanakia M, Cho JH, Proctor DD. The influence of depression on quality of life in patients with inflammatory bowel disease. Inflammatory Bowel Diseases 2013;19(8):1732-1739.



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