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9701 Sw Barnes RdSte 300Portland, OR 97225
Phone+1 503-297-8081
Fax+1 503-292-6601
Dr. Koval is on Doximity
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Education & Training
Oregon Health & Science University (OHSU Health)Fellowship, Gastroenterology, 1982 - 1984
Corewell Health – Grand Rapids/Michigan State UniversityResidency, Internal Medicine, 1978 - 1982
University of Pittsburgh School of MedicineClass of 1978
Certifications & Licensure
OR State Medical License 1983 - 2026
WA State Medical License Active through 2013
American Board of Internal Medicine Internal Medicine- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 2 Certification Centricity Practice Solution, GE Healthcare, 2011, 2013-2014, 2016-2017
- CMS Meaningful Use Stage 1 Certification Centricity EMR, GE Healthcare, 2011, 2013-2014, 2016-2017
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2011
Publications & Presentations
PubMed
- 102 citationsA randomized, double blind, dose-response comparison of balsalazide (6.75 g), balsalazide (2.25 g), and mesalamine (2.4 g) in the treatment of active, mild-to-moderate...Douglas S. Levine, Dennis Riff, Ronald Pruitt, Lawrence Wruble, George Koval
The American Journal of Gastroenterology. 2002-06-01 - 230 citationsA double-blind comparison of oral versus rectal mesalamine versus combination therapy in the treatment of distal ulcerative colitis.Michael Safdi, M DeMicco, Charles A. Sninsky, Peter A. Banks, Lawrence Wruble
The American Journal of Gastroenterology. 1997-10-01 - 41 citationsShort (35-cm) versus long (60-cm) flexible sigmoidoscopy: a comparison of findings and tolerance in asymptomatic patients screened for colorectal neoplasiaRichard A. Dubow, Ronald M. Katon, Kent G. Benner, Cindy M. van Dijk, George Koval
Gastrointestinal Endoscopy. 1985-10-01
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