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Office
3825 Highland Ave Tower II
Suite 302
Downers Grove, IL 60515Phone+1 630-434-9312Fax+1 630-434-9360
Education & Training
- Yale UniversityMPH, Health Care Management and Clinical Research, With Honors, 1988 - 1990
- Yale-New Haven Medical CenterFellowship, Gastroenterology, 1987 - 1990
- Yale School of MedicineMPH, Clinical Research, Healthcare Outcomes, Graduated with Honors, 1987 - 1990
- McGaw Medical Center of Northwestern UniversityResidency, Internal Medicine, 1985 - 1987
- McGaw Medical Center of Northwestern UniversityInternship, Internal Medicine, 1984 - 1985
- University of Nebraska College of MedicineClass of 1984, MD
Certifications & Licensure
- IL State Medical License 1985 - 2026
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- Top GI Physician Chicago Magazine, 2015-2021
- Top Physician in Chicago, during COVID-19 Pandemic Chicago Magazine, 2019
- Physician of the Year American Liver Foundation, 2017
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Publications & Presentations
PubMed
- 1 citationsEndotherapy for Barrett's Esophagus.Rockford G Yapp
The American Journal of Gastroenterology. 2012-11-01 - 32 citationsEfficacy and safety of peginterferon alfa-2a/ribavirin in methadone maintenance patients: randomized comparison of direct observed therapy and self-administration.Herbert L. Bonkovsky, Alan D. Tice, Rockford G Yapp, Henry C. Bodenheimer, Alexander Monto
The American Journal of Gastroenterology. 2008-11-01 - 35 citationsFecal carriage of Streptococcus bovis and colorectal adenomasRobert Dubrow, Stephen C. Edberg, Elizabeth Wikfors, Deborah A. Callan, Frank J. Troncale
Gastroenterology. 1991-09-01
Journal Articles
- Endotherapy for Barrett's EsophagusR Yapp, Am J Gastroentero, 1/1/2012
- Boceprevir for Untreated Chronic HCV Genotype 1 InfectionF Poordad, J McCone, the SPRINT-2 Investigators Yapp RG, N Engl J Med, 1/31/2011
- Response guided telaprevir combination for Hepatitis C virus infectionKE Sherman, SL Flamm, et al R Yapp, Illuminate Study Group, N Engl J Med, 1/15/2011
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Abstracts/Posters
- Polyflex Stent Placement for Post Gastric Bypass PatientsYapp, RG, Rosen, J, Digestive Diseases Week, 1/1/2005
- Pegalated Interferon and Ribavirin Patients with HCV and Normal EnzymesFlamm, S, Cohan J, Yapp, RG, et al, Hepatology, 1/1/2002
- PEG Interferon and Ribavirin-Preliminary results from a prospective trial.Flamm, S, Cohan J, Yapp, RG, et al, Hepatology, 1/1/2002
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Other
- Cost benefit using Rapid Exchange Biliary Equipment vs. Standard Equipment for CBC Stone Extraction/ERCP technical paper.Yapp, RG, Boston Scientific/Microvasive
www.BSCI.com
1/1/2001 - Ambulatory Visit Groups (AVG's) and Gastrointestinal ProceduresYapp, RG, Masters Thesis, Yale University
1/1/1990 - Weight-Based Ribbavirin Dosing (WBD) Increases Sustained Viral Response (SVR) in Patients With Chronic Hepatitis C (CHC): Final Results of the WIN-R Study Group, A US...Jacobson, IM, Brown, IM, et al: Yapp, RG, and the WIN-R Study Group
Grant Support
- Over $250,000 grants for medical educationNumerous companies1996–2021
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