Gastroenterology Board
Dr. DeVault is a Professor and Chair of the Department of Medicine, and a member of the Executive Operating Team at the Mayo Clinic Florida. He is ABIM Board Certified in Internal Medicine and Gastroenterology.
Prior to becoming Chair of Medicine, Dr. DeVault was Chair of the Division of Gastroenterology and Hepatology at the Mayo Clinic Florida. Dr. DeVault is a fellow and past president of the American College of Gastroenterology. He is also a member of the American Gastroenterological Association and the American Society for Gastrointestinal Endoscopy, and a fellow of the American College of Physicians.
Dr. DeVault conducts research on disorders affecting all aspects of the esophagus and has written more than 250 book chapters, abstracts, editorials and original articles on subjects ranging from the treatment of GERD, dysphagia, esophagitis and Barrett's esophagus to laparoscopic anti-reflux surgery and managed care issues in the treatment of GERD. He also has an interest in gastrointestinal health developing nations, improving professionalism in both trainees and practicing physicians and in the development of a diverse and effective healthcare work force.
He received his undergraduate degree from the University of Tennessee and his medical degree from the Bowman Gray School of Medicine at Wake Forest University. He completed his internship and residency in internal medicine at Vanderbilt University and completed a combined clinical and research fellowship at Jefferson Medical College
As of September 2024, Dr. DeVault reported no ongoing external relationships.
Dr. DeVault is a Professor and Chair of the Department of Medicine, and a member of the Executive Operating Team at the Mayo Clinic Florida. He is ABIM Board Certified in Internal Medicine and Gastroenterology.
Prior to becoming Chair of Medicine, Dr. DeVault was Chair of the Division of Gastroenterology and Hepatology at the Mayo Clinic Florida. Dr. DeVault is a fellow and past president of the American College of Gastroenterology. He is also a member of the American Gastroenterological Association and the American Society for Gastrointestinal Endoscopy, and a fellow of the American College of Physicians.
Dr. DeVault conducts research on disorders affecting all aspects of the esophagus and has written more than 250 book chapters, abstracts, editorials and original articles on subjects ranging from the treatment of GERD, dysphagia, esophagitis and Barrett's esophagus to laparoscopic anti-reflux surgery and managed care issues in the treatment of GERD. He also has an interest in gastrointestinal health developing nations, improving professionalism in both trainees and practicing physicians and in the development of a diverse and effective healthcare work force.
He received his undergraduate degree from the University of Tennessee and his medical degree from the Bowman Gray School of Medicine at Wake Forest University. He completed his internship and residency in internal medicine at Vanderbilt University and completed a combined clinical and research fellowship at Jefferson Medical College
As of September 2024, Dr. DeVault reported no ongoing external relationships.
Dr. Bhargava is a partner at Digestive Disease Consultants in Bourbonnais, Illinois. He is ABIM Board Certified in Internal Medicine and Gastroenterology. His professional appointments include Clinical Assistant Professor of Medicine at Midwestern University in Downers Grove, Illinois, and Program Director for the Gastroenterology Fellowship at Riverside Medical Center. He is actively involved in clinical research and trains medical students, residents and fellows.
Dr. Bhargava is a fellow of the American College of Gastroenterology, the American Gastroenterology Association and the American Society of Gastrointestinal Endoscopy. He is also a member of the Illinois State Medical Society and the Kankakee County Medical Society. He serves on the Medical Advisory Committee for the Great Lakes Division of the American Liver Foundation.
Dr. Bhargava attended medical school at the Chicago College of Osteopathic Medicine in Downers Grove, Illinois. He then completed internal medicine residency at McGaw Medical Center at Northwestern University in Evanston, Illinois. He finished his medical training with the completion of gastroenterology fellowship at the University of Wisconsin/Aurora Sinai Medical Center, Milwaukee Campus.
As of August 2024, Dr. Bhargava reported no ongoing external relationships.
Dr. Bhargava is a partner at Digestive Disease Consultants in Bourbonnais, Illinois. He is ABIM Board Certified in Internal Medicine and Gastroenterology. His professional appointments include Clinical Assistant Professor of Medicine at Midwestern University in Downers Grove, Illinois, and Program Director for the Gastroenterology Fellowship at Riverside Medical Center. He is actively involved in clinical research and trains medical students, residents and fellows.
Dr. Bhargava is a fellow of the American College of Gastroenterology, the American Gastroenterology Association and the American Society of Gastrointestinal Endoscopy. He is also a member of the Illinois State Medical Society and the Kankakee County Medical Society. He serves on the Medical Advisory Committee for the Great Lakes Division of the American Liver Foundation.
Dr. Bhargava attended medical school at the Chicago College of Osteopathic Medicine in Downers Grove, Illinois. He then completed internal medicine residency at McGaw Medical Center at Northwestern University in Evanston, Illinois. He finished his medical training with the completion of gastroenterology fellowship at the University of Wisconsin/Aurora Sinai Medical Center, Milwaukee Campus.
As of August 2024, Dr. Bhargava reported no ongoing external relationships.
Ms. Castrillon has more than 20 years of experience in advertising, branding and integrated marketing. As a multilingual strategic marketing professional, she is committed to attaining business goals, driving sales growth and effectively communicating brand and value propositions. Fluent in Spanish and French, she has a strong focus on diversity, both personally and professionally.
As a Crohn’s disease patient since 2003, Ms. Castrillon has a strong interest in gastroenterology. Since her diagnosis, she has been involved with the Crohn’s & Colitis Foundation in various capacities, including as a fundraiser, advocate, mentor, stakeholder reviewer, associate editor and task force member within the Foundation. She believes in the power of the patient voice and openly shares her personal experience of living with inflammatory bowel disease (IBD). In 2024, she was inducted to the Crohn’s & Colitis Foundation’s National Board of Trustees. As a Latina IBD patient of Peruvian descent, she is committed to addressing the unique needs of diverse IBD communities and expanding patient accessibility to quality IBD information, resources and research. Her commitment to inclusivity extends to her advocacy efforts on social media, where she ensures her advocacy resonates with the Hispanic/Latino IBD population. She posts about advocacy through her social media handle, @VoiceForIBD.
Ms. Castrillon holds a Bachelor of Business Administration, with an emphasis in marketing and international business, and minors in French and Spanish from the University of San Diego. She furthered her education by obtaining a Master of Business Administration in global business from Pepperdine University.
As of April 2025, Ms. Castrillon reported the following ongoing external relationships:
Ms. Castrillon serves in significant roles with the following organizations, receiving reimbursement or compensation as listed:
- The American Gastroenterological Association, Payor Steering Committee, receiving honoraria.
- The Crohn’s and Colitis Foundation, National Board of Trustees, without compensation.
- Janssen Biotech Inc., Inflammatory Bowel Disease Social Circle, receiving honoraria.
Ms. Castrillon also reported speaking engagements at Cedars-Sinai Medical Center.
Ms. Castrillon has more than 20 years of experience in advertising, branding and integrated marketing. As a multilingual strategic marketing professional, she is committed to attaining business goals, driving sales growth and effectively communicating brand and value propositions. Fluent in Spanish and French, she has a strong focus on diversity, both personally and professionally.
As a Crohn’s disease patient since 2003, Ms. Castrillon has a strong interest in gastroenterology. Since her diagnosis, she has been involved with the Crohn’s & Colitis Foundation in various capacities, including as a fundraiser, advocate, mentor, stakeholder reviewer, associate editor and task force member within the Foundation. She believes in the power of the patient voice and openly shares her personal experience of living with inflammatory bowel disease (IBD). In 2024, she was inducted to the Crohn’s & Colitis Foundation’s National Board of Trustees. As a Latina IBD patient of Peruvian descent, she is committed to addressing the unique needs of diverse IBD communities and expanding patient accessibility to quality IBD information, resources and research. Her commitment to inclusivity extends to her advocacy efforts on social media, where she ensures her advocacy resonates with the Hispanic/Latino IBD population. She posts about advocacy through her social media handle, @VoiceForIBD.
Ms. Castrillon holds a Bachelor of Business Administration, with an emphasis in marketing and international business, and minors in French and Spanish from the University of San Diego. She furthered her education by obtaining a Master of Business Administration in global business from Pepperdine University.
As of April 2025, Ms. Castrillon reported the following ongoing external relationships:
Ms. Castrillon serves in significant roles with the following organizations, receiving reimbursement or compensation as listed:
- The American Gastroenterological Association, Payor Steering Committee, receiving honoraria.
- The Crohn’s and Colitis Foundation, National Board of Trustees, without compensation.
- Janssen Biotech Inc., Inflammatory Bowel Disease Social Circle, receiving honoraria.
Ms. Castrillon also reported speaking engagements at Cedars-Sinai Medical Center.
Dr. Duarte-Rojo is a clinical investigator and a Professor of Medicine and Surgery at the Northwestern University Feinberg School of Medicine. He is the Director of Liver Transplantation and Living Liver Donor for the Comprehensive Transplant Center at Northwestern Medicine. Dr. Duarte-Rojo is ABIM Board Certified in Internal Medicine, Gastroenterology and Transplant Hepatology. He has served on multiple editorial boards for prestigious journals in his field of expertise, and various committees for the American Gastroenterological Association, the American Association for the Study of Liver Diseases and the American Society of Transplantation.
Dr. Duarte-Rojo is an active mentor and advisor for undergraduate and graduate trainees. He also serves as a Core Mentor for the T32 Transplant Surgery Scientist Training Program at Northwestern University. He is a National Institutes of Health-funded investigator, conducting research focused on disorders of physical fitness and exercise training in cirrhosis, healthcare informational technology, clinimetrics (mainly noninvasive liver disease assessment) and clinical outcomes in liver transplantation. He is widely published with over 150 peer-reviewed manuscripts and is sought after as an invited lecturer at national and international meetings.
Dr. Duarte-Rojo obtained his medical degree from Tecnológico de Monterrey in Mexico and continued his clinical training with a residency in internal medicine and a fellowship in gastroenterology at the Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán in Mexico, followed by subspecialty fellowships in clinical hepatology at the University of Toronto and transplant hepatology at the Mayo Clinic in Rochester. His academic training includes a Master of Science and a Doctor of Philosophy in clinical investigation from the Universidad Nacional Autónoma de México.
As of September 2024, Dr. Duarte-Rojo reported the following external relationships:
Dr. Duarte-Rojo reported he is the innovator who developed EL-FIT [Exercise and Liver FITness], a smartphone app developed to facilitate home-based exercise for patients with advanced liver disease.
Dr. Duarte-Rojo is a clinical investigator and a Professor of Medicine and Surgery at the Northwestern University Feinberg School of Medicine. He is the Director of Liver Transplantation and Living Liver Donor for the Comprehensive Transplant Center at Northwestern Medicine. Dr. Duarte-Rojo is ABIM Board Certified in Internal Medicine, Gastroenterology and Transplant Hepatology. He has served on multiple editorial boards for prestigious journals in his field of expertise, and various committees for the American Gastroenterological Association, the American Association for the Study of Liver Diseases and the American Society of Transplantation.
Dr. Duarte-Rojo is an active mentor and advisor for undergraduate and graduate trainees. He also serves as a Core Mentor for the T32 Transplant Surgery Scientist Training Program at Northwestern University. He is a National Institutes of Health-funded investigator, conducting research focused on disorders of physical fitness and exercise training in cirrhosis, healthcare informational technology, clinimetrics (mainly noninvasive liver disease assessment) and clinical outcomes in liver transplantation. He is widely published with over 150 peer-reviewed manuscripts and is sought after as an invited lecturer at national and international meetings.
Dr. Duarte-Rojo obtained his medical degree from Tecnológico de Monterrey in Mexico and continued his clinical training with a residency in internal medicine and a fellowship in gastroenterology at the Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán in Mexico, followed by subspecialty fellowships in clinical hepatology at the University of Toronto and transplant hepatology at the Mayo Clinic in Rochester. His academic training includes a Master of Science and a Doctor of Philosophy in clinical investigation from the Universidad Nacional Autónoma de México.
As of September 2024, Dr. Duarte-Rojo reported the following external relationships:
Dr. Duarte-Rojo reported he is the innovator who developed EL-FIT [Exercise and Liver FITness], a smartphone app developed to facilitate home-based exercise for patients with advanced liver disease.
Dr. Kohli is an interventional endoscopist working at Providence Digestive Health Institute in Spokane, Washington. Prior to his current position, he served as the Director of Endoscopy at the Kansas City VA Medical Center in Missouri and as adjunct faculty for the Gastroenterology and Hepatology Fellowship Program at the University of Kansas School of Medicine.
Dr. Kohli has served in multiple volunteer roles with ABIM, including as a member of a standard-setting panel, member and pod leader of the Gastroenterology Item-Writing Task Force, and member of the Gastroenterology Traditional, 10-Year Maintenance of Certification (MOC) Exam Approval Committee. Dr. Kohli also serves on the Standards of Practice Committee at the American Society for Gastrointestinal Endoscopy where he is involved in developing guidelines and best practices for clinicians. He has been recognized for his outstanding public service and professionalism by the Veterans Health Administration and is a recipient of the Saul Zuckerman Humanitarianism in Medicine Award for outstanding scholarship and compassion. He has authored over 60 research papers and has received multiple awards for his leading-edge clinical research.
Dr. Kohli received his medical degree from Government Medical College & Hospital, Chandigarh, in India, and completed his internship and residency in internal medicine at MedStar Georgetown University Hospital. He then completed fellowships in gastroenterology, hepatology and nutrition at Virginia Commonwealth University, where he also served as Chief Fellow. He then went on to complete an advanced endoscopy fellowship at the Mayo Clinic in Phoenix, Arizona.
As of September 2024, Dr. Kohli reported the no ongoing external relationships.
Dr. Kohli is an interventional endoscopist working at Providence Digestive Health Institute in Spokane, Washington. Prior to his current position, he served as the Director of Endoscopy at the Kansas City VA Medical Center in Missouri and as adjunct faculty for the Gastroenterology and Hepatology Fellowship Program at the University of Kansas School of Medicine.
Dr. Kohli has served in multiple volunteer roles with ABIM, including as a member of a standard-setting panel, member and pod leader of the Gastroenterology Item-Writing Task Force, and member of the Gastroenterology Traditional, 10-Year Maintenance of Certification (MOC) Exam Approval Committee. Dr. Kohli also serves on the Standards of Practice Committee at the American Society for Gastrointestinal Endoscopy where he is involved in developing guidelines and best practices for clinicians. He has been recognized for his outstanding public service and professionalism by the Veterans Health Administration and is a recipient of the Saul Zuckerman Humanitarianism in Medicine Award for outstanding scholarship and compassion. He has authored over 60 research papers and has received multiple awards for his leading-edge clinical research.
Dr. Kohli received his medical degree from Government Medical College & Hospital, Chandigarh, in India, and completed his internship and residency in internal medicine at MedStar Georgetown University Hospital. He then completed fellowships in gastroenterology, hepatology and nutrition at Virginia Commonwealth University, where he also served as Chief Fellow. He then went on to complete an advanced endoscopy fellowship at the Mayo Clinic in Phoenix, Arizona.
As of September 2024, Dr. Kohli reported the no ongoing external relationships.
Dr. Konadu is a general gastroenterologist and consultant for the multi-specialty group Huguley Medical Associates in Burleson, Texas. Prior to her current position, she served as faculty and consultant in gastroenterology with Duke University Medical Center in Durham, North Carolina, and Duke Raleigh Hospital in Raleigh, North Carolina. She is ABIM Board Certified in Internal Medicine and Gastroenterology.
Dr. Konadu also serves on the ABIM Council and the American Gastroenterology Association's international committee. She serves on the board and as secretary for the West African Institute for Liver and Digestive Diseases. She was honored by her colleagues as Tarrant County Top Doctor in Gastroenterology 2020.
Her main clinical interests are in colon cancer prevention and irritable bowel syndrome. She has a passion for global health and some of her most esteemed experiences include her time educating and observing in Beijing and Ghana.
Dr. Konadu received her bachelor's degree at the University of Texas at Austin and obtained her medical degree from the University of Texas Southwestern Medical Center. She completed both residency and fellowship at Duke University Medical Center.
As of August 2024, Dr. Konadu reported no ongoing external relationships.
Dr. Konadu is a general gastroenterologist and consultant for the multi-specialty group Huguley Medical Associates in Burleson, Texas. Prior to her current position, she served as faculty and consultant in gastroenterology with Duke University Medical Center in Durham, North Carolina, and Duke Raleigh Hospital in Raleigh, North Carolina. She is ABIM Board Certified in Internal Medicine and Gastroenterology.
Dr. Konadu also serves on the ABIM Council and the American Gastroenterology Association's international committee. She serves on the board and as secretary for the West African Institute for Liver and Digestive Diseases. She was honored by her colleagues as Tarrant County Top Doctor in Gastroenterology 2020.
Her main clinical interests are in colon cancer prevention and irritable bowel syndrome. She has a passion for global health and some of her most esteemed experiences include her time educating and observing in Beijing and Ghana.
Dr. Konadu received her bachelor's degree at the University of Texas at Austin and obtained her medical degree from the University of Texas Southwestern Medical Center. She completed both residency and fellowship at Duke University Medical Center.
As of August 2024, Dr. Konadu reported no ongoing external relationships.