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Office
885 Kempsville Rd
Suite 114
Norfolk, VA 23502Phone+1 757-466-0165Fax+1 757-466-7296- Is this information wrong?
Summary
- Professor of Medicine and Chief of Gastroenterology at Eastern Va School of Medicine. Published over 500 articles/chapters/invited reviews and abstracts co-edited the American College of Physicians (ACP) book “Dyspepsia” and 2005 and 2012 GI Clinics of North America series on “Obesity Issues for Gastroenterologists” , 2012 American College of Physicians module on CRC screening. Past President of the American College of Gastroenterology (ACG) Treasurer of the ACG/ASGE Quality Improvement Consortium (GIQuIC.He co-founded the National Medicare Carrier advisory Committee and co-chaired that committee for 10 yrs. Since 2000, GI Multi-society CRC Screening Task Force and ACG guidelines committee for CRC screening and has co-authored these screening guidelines. He currently serves on the American Board of Internal Medicine (Gastroenterology) Board of Examiners, past sGastroenterology Technical Advisory chair for the National Quality Forum (NQF) .Past Co-editor of Reviews in Gastroenterological Disorders, Journal Medicine and section editor for the American Journal of Gastroenterology. Current co-editor of the American College of Gastroenterology GI Universe, GI section editor for Medscape Gastroenterology, Medscape GI Viewpoints, and Medscape GI Consultant Corner, as well as the esophageal section editor for Journal Watch Gastroenterology (New England Journal of Medicine). He is on numerous editorial boards and reviews for 21 medical journals. He was the physician who worked with Virginia State Senator Emily Couric to put through the historic first legislation to mandate colon cancer screening with colonoscopy as the preferred standard. This initiative first in VA, has set the model for other states which have followed with similar legislation mandating CRC screening.
Education & Training
- National Capital ConsortiumFellowship, Gastroenterology, 1984 - 1986
- Naval Medical Center (Portsmouth)Residency, Internal Medicine, 1983 - 1984
- University of Virginia Medical CenterResidency, Internal Medicine, 1982 - 1983
- Naval Medical Center (Portsmouth)Internship, Internal Medicine, 1980 - 1981
- Virginia Commonwealth University School of MedicineClass of 1980
Certifications & Licensure
- VA State Medical License 1981 - 2024
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- NIH Great Teachers Award Lecture NIH, 2012
- Berk Fise Award for Career Contributions to Gastroenterology American College of Gastroenterology, 2012
- Dean's Award for Outstanding Community Faculty Eastern VA Medical School Norfolk VA, 2012
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Clinical Trials
- Stool Sample Collection Protocol for Development of Screening Test for Colorectal Cancer and Other Digestive Tract Cancers Start of enrollment: 2014 Oct 01
- To Compare Artificial Intelligence Software Aided Adenoma Detection in Screening Colonoscopies Versus Standard Colonoscopy Without Artificial Intelligence Software Assistance in Participants Between 45 and 75 Years of Age Start of enrollment: 2020 Jun 11
Roles: Contact
Publications & Presentations
PubMed
- Prescribing Colonoscopy Bowel Preparations: Tips for Maximizing Outcomes.Edward C Oldfield 4th, David A Johnson, Douglas K Rex> ;The American Journal of Gastroenterology. 2023 May 1
- Continuing Medical Education Questions: October 2022.Eugenia Shmidt, Nancy S Reau, David A Johnson> ;The American Journal of Gastroenterology. 2022 Oct 1
- Continuing Medical Education Questions: October 2022.Eugenia Shmidt, Nancy S Reau, David A Johnson> ;The American journal of gastroenterology. 2022 Oct 1
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Press Mentions
- 'Alarming' CRC Screening Preferences Among Younger Patients Should Be Wake-up Call for UsSeptember 21st, 2022
- Can Folic Acid Halt or Reverse Progression of Gastric Precancerous Conditions?August 22nd, 2022
- Rumination Syndrome's Surprisingly High Global Prevalence Makes Identifying It EssentialJanuary 12th, 2022
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Professional Memberships
- Master
Hospital Affiliations
- Sentara Leigh HospitalNorfolk, Virginia
- Naval Medical CenterPortsmouth, Virginia
- Sentara Norfolk General HospitalNorfolk, Virginia
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