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Office
825 Ne 10th St
Oupb 2300
Oklahoma City, OK 73104Phone+1 405-271-8478- Is this information wrong?
Education & Training
- University of Michigan Health SystemFellowship, Gastroenterology, 1994 - 1997
- University of Pennsylvania Health SystemResidency, Internal Medicine, 1990 - 1993
- Yale School of MedicineClass of 1990
Certifications & Licensure
- OK State Medical License 1997 - 2024
- MI State Medical License 1995 - 1999
- PA State Medical License 1992 - 1994
- American Board of Internal Medicine Gastroenterology
Clinical Trials
- Colonoscopy Versus Fecal Immunochemical Test in Reducing Mortality From Colorectal Cancer (CONFIRM) Start of enrollment: 2012 Apr 30
- Registry and Fluid Banking of Pancreatic Cystic Lesions Start of enrollment: 2012 Jun 01
- Cost Analysis for Endoscopic Retrograde Cholangiopancreatography (ERCP) Start of enrollment: 2014 Apr 01
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Publications & Presentations
PubMed
- Role of the industry representative in the practice of gastroenterology and GI endoscopy., Bucobo, J., Kassim, O., Konijeti, G., Abraham, B., Abegunde, A., Farraye, F., Guha, S., Kowalski, T., Kumar, A., Markowitz, A., Schoeppner, H., Tierney, W.> ;Gastrointestinal Endoscopy. 2024 Mar 1
- Biliary Obstruction Secondary to Chilaiditi Syndrome.Jiteshwar Singh Pannu, Justin S Kosirog, William M Tierney, Charles A Lawrence Jr> ;ACG Case Reports Journal. 2023 Jul 1
- 3 citationsImpact of Community Referral on Colonoscopy Quality Metrics in a Veterans Affairs Medical Center.Vincent Petros, Erin Tsambikos, Mohammad Madhoun, William M Tierney> ;Clinical and Translational Gastroenterology. 2022 Jan 1
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Press Mentions
- Chadwick Boseman Dies of Colon Cancer: Here Are the Silent Signs You Should KnowAugust 29th, 2020
- Digestive Problems in ‘Long COVID’ Linked to Psychological Trauma, According ResearchMarch 17th, 2024
Committees
- Gastroenterology SEP Question Development Committee, American Board of Internal Medicine 2015 - Present
- Governing Board Councilor, American Society for Gastrointestinal Endoscopy 2012 - 2015
- Chair, American Society for Gastrointestinal Endoscopy Technology Committee 2007 - 2010
Hospital Affiliations
- OU HealthOklahoma City, Oklahoma
- Oklahoma City VA Medical CenterOklahoma City, Oklahoma
- OU Medical Center EdmondEdmond, Oklahoma
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