Best Academic/Industry Collaboration, Bioscience Award
Entrepreneur of the Year Award, University of Maryland
Magister Insignis, La Nuova Scuola Medica Salernitana
President's Faculty Research Lecturer of the Year Award, University of Maryland
Harry Shwachman Award, North American Society of Pediatric Gastroenterology
Linus Pauling Award for Functional Medicine
International Award Scuola Medica Salernitana
W. Allan Walker, MD Endowed Chair, Massachusetts General Hospital
Highly Cited Researcher, Web of Science Group
Italian Bilateral Scientific Cooperation Award
Traveling Genius Award, Giordano Bruno Guerri
America's Top Doctors, 2007
America's Top Doctors, 2008
America's Top Doctors, 2009
America's Top Doctors, 2010
America's Top Doctors, 2011
America's Top Doctors, 2012
America's Top Doctors, 2013
America's Top Doctors, 2014
America's Top Doctors, 2015
America's Top Doctors, 2016
America's Top Doctors, 2017
America's Top Doctors, 2018
America's Top Doctors, 2019
Top Doctors: Washington-Baltimore, 2012
Physician Hero, Health Care Hero Award, The Daily Record