Juanita Merchant, MD, PhD

Regents Professor
Professor of Medicine
Chief, Division of Gastroenterology & Hepatology
Research Member, Cancer Biology Program, University of Arizona Cancer Center
Associate Director for Basic Sciences, University of Arizona Cancer Center

Juanita L. Merchant, MD, PhD, joined the faculty at the University of Arizona College of Medicine Tucson in July 2018 as a professor of medicine in the UA Department of Medicine, chief of the UA Division of Gastroenterology and Hepatology and a member of the Cancer Biology Research Program at the UA Cancer Center.

In 2008, Dr. Merchant was elected to the National Academy of Medicine and appointed a member of the National Institutes of Health Council of Councils. In 2016, she also joined the Board of Scientific Counselors for the National Institute of Diabetes and Digestive and Kidney Diseases, a unit of the NIH.

She grew up in Los Angeles and attended Stanford University for her undergraduate studies, later earning her medical degree and a doctorate at Yale University School of Medicine. Afterward, she did her internship and residency in internal medicine as well as a clinical and research fellowship at Boston's Massachusetts General Hospital, before completing a gastroenterology fellowship at the University of California Los Angeles. Prior to coming to the UA, she had been on faculty at the University of Michigan since 1991. She is board certified in internal medicine and gastroenterology.

She has written or co-written more than 75 peer-reviewed research publications and is editor or co-editor of two books and several book chapters.

Degree(s)

  • MD: Yale University School of Medicine, New Haven, Conn., 1984
  • PhD: Yale University School of Medicine, New Haven, Conn., 1984
  • BS: Biology, Stanford University, Palo Alto, Calif., 1977
Internship
Internal Medicine: Harvard School of Medicine/Massachusetts General Hospital, Boston, 1985
Residency
Internal Medicine: Harvard School of Medicine/Massachusetts General Hospital, Boston, 1987
Fellowship
Clinical Fellow in Gastroenterology, University of California Los Angeles, 1991
Clinical and Research Fellow, Harvard School of Medicine/Massachusetts General Hospital, Boston, 1990
Board Certifications
American Board of Internal Medicine
American Board of Gastroenterology
National Board of Medical Examiners
ACLS/BLS
Honors and Awards
Distinguished Achievement Award in Basic Science, American Gastroenterological Association, 2017
Member, Board of Scientific Counselors, National Institute of Diabetes and Digestive and Kidney Diseases, 2016
AGA Institute Research Mentor 2014 Award, Regulatory Peptides Section, American Gastroenterological Association, 2014
Sarah Goddard Pollard Award (for mentoring women), University of Michigan, Ann Arbor, 2014
Harold R. Johnson Award for Diversity, University of Michigan, 2012
Duty Off-Campus on GI Stem Cells with Sir Nicholas A. Wright, Barts Cancer Institute, London School of Medicine, UK, 2012
Elected Member, National Academy of Medicine, 2008
H. Marvin Pollard Professor of Gastrointestinal Sciences in Internal Medicine, University of Michigan, Ann Arbor, 2008-2018
Member, National Institutes of Health Council of Councils, 2008-2016
Outstanding AGA Women in Science, Honoree, American Gastroenterological Association, 2008
Special Recognition Award, Women of Color in Health, Career Communications Group Inc., Baltimore, 2002
Jerome W. Conn Award for Distinguished Research by a Junior Faculty Member in Internal Medicine, University of Michigan, Ann Arbor, 1998
AGA Robert and Sally Funderburg Award for Gastric Cancer, American Gastroenterological Association, 1998
Faculty Career Development Award, University of Michigan, Ann Arbor, 1994
Munn Endowment Cancer Award, University of Michigan, Ann Arbor, 1992
Harold Amos Medical Faculty Development Program Award, Robert Wood Johnson Foundation, Indianapolis, 1987
Medical Scientist Award, Yale School of Medicine, New Haven, Conn., 1984
Alpha Omega Alpha, Yale School of Medicine, New Haven, Conn., 1984
Henry J. Kaiser Award, Yale School of Medicine, New Haven, Conn., 1984
Damon Runyon-Walter Winchell Research Award, Stanford University, Palo Alto, Calif., 1977
Honors and Distinction in Biological Sciences, Stanford University, Palo Alto, Calif., 1977
Research Interests

Sonic Hedgehog and Gastric Cancer, Regulation of GI Growth and Homeostasis by ZBP-89, Mechanism of Gastrinoma Development