Physicians

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Gastroenterology Consultants of San Antonio - Stephen A. Harrison, M.D.

Gastroenterology Consultants of San Antonio

Stephen A. Harrison, M.D.

Stephen A. Harrison, M.D.

Dr. Stephen A. Harrison is the Medical Director of Pinnacle Clinical Research. He earned his medical degree from the University Of Mississippi School Of Medicine. He completed his Internal Medicine residency and Gastroenterology fellowship at Brooke Army Medical Center and a 4th year advanced liver disease fellowship at Saint Louis University. He is board certified in both Internal Medicine and Gastroenterology. Dr. Harrison served as a Professor of Medicine at the Uniformed Services University of the Health Sciences and is currently a Visiting Professor of Hepatology at the Radcliffe College of Medicine, University of Oxford. He is a past Associate Editor for Hepatology and is currently an Associate Editor for Alimentary Pharmacology and Therapeutics. He is a peer-reviewer for over 20 medical journals and internationally known for studies in hepatitis C and non-alcoholic fatty liver disease with over 150 peer reviewed publications in these fields. Dr. Harrison most recently served as a Colonel in the United States Army. Retiring in 2016, he concluded 20 years of dedicated service to his country. During his army tenure, he served as the Director of Graduate Medical Education at Brooke Army Medical Center, Associate Dean for the San Antonio Uniformed Services Health Education Consortium and Gastroenterology Consultant to the Army Surgeon General.

Location: Northeast

Bachelor's Degree

  • University of Mississippi, Oxford, Mississippi, 1991

Medical Degree

  • University of Mississippi School of Medicine, Jackson, Mississippi, 1995

Internal Medicine Internship

  • Brooke Army Medical Center, Fort Sam Houston, Texas, 1995-1996

Internal Medicine Residency

  • Brooke Army Medical Center, Fort Sam Houston, Texas, 1996-1998

Gastroenterology Fellowship

  • Brooke Army Medical Center, San Antonio, Texas, 1999-2002

Hepatology Fellowship

  • St. Louis University, St. Louis, Missouri, 2002-2003

Board Certification

  • Internal Medicine: 1998, 2012
  • Gastroenterology: 2002, 2012

Faculty Appointments

  • Instructor, St. Louis University School of Medicine, St. Louis, Missouri, 2002-2003
  • Clinical Assistant Professor, University of Texas Health Science Center at San Antonio, San Antonio, Texas, 2003-2007
  • Adjunct Associate Professor, University of Texas Health Science Center at San Antonio, San Antonio, Texas, 2007-2012
  • Professor of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland, 2012-2016
  • Visiting Professor of Hepatology, University of Oxford, Oxford, England, 2016-Current
  • Program Director, GI Fellowship, Brooke Army Medical Center, San Antonio, Texas, 2009-2013
  • Consultant to the Surgeon General for Gastroenterology, San Antonio, Texas, 2011-2016

Honors & Awards

  • RADM Dennis Wright Military Medical Student of the Year Award, 1995
  • Outstanding Junior Resident Award, 1997
  • First Place Podium Presentation, National Army ACP Meeting, Washington, DC, 1997
  • John L. Carpenter Award Outstanding Resident Paper, 1998
  • Chief of Residents, Brooke Army Medical Center, 1998-1999
  • AASLD/Schering Advanced Hepatology Fellowship Scholarship, 2002
  • Jay P. Sanford Award - Best Fellow Research Presentation, National AF ACP Meeting, San Antonio, TX, 2002
  • The William Beaumont Clinical Research Award, 2003, 2007-2008
  • Key Clinical Faculty- Brooke Army Medical Center, Department of Medicine, 2005-Current
  • Gastroenterology Core Curriculum Revision Committee (1 of 8 members throughout the country), 2005
  • Research Excellence in GI and Liver (REGAL) national award recipient, 2006
  • Order of Military Medical Merit, 2007
  • Colonel William Crosby Superiority in Research Award: Army Chapter, American College of Physicians, 2008
  • Guest Editor: Clinics in Liver Disease, November Issue, 2009: Nonalcoholic Steatohepatitis
  • Section Editor x 7 issues: Current Hepatitis Reports
  • Recipient of the “A” proficiency designator, April, 2010
  • Reviewer- NIH-Special Emphasis Panel/Scientific Review Group 2012/08 ZAA1 JJ
  • Best Doctors List, SA Scene Magazine, 2017
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