Omer Shahab, M.D.
Physician • Gastroenterology & Hepatology • Internal Medicine
Experience
Mary Washington Healthcare
Sept 2025 – PresentVHC Health
July 2022 – Aug 2025SonarMD, LLC
Oct 2022 – Jan 2024Bold Health, Ltd.
Jan 2021 – Sept 2022Education
Virginia Commonwealth University Health System
July 2019 – June 2022Inova Fairfax Hospital
June 2016 – June 2019Herbert Wertheim College of Medicine, Florida International University
Aug 2012 – May 2016University of Virginia
Aug 2007 – May 2011Medical Licensure & Certification
ABIM Gastroenterology
Board Certification
November 2022
ABIM Internal Medicine
Board Certification
August 2019
State of Virginia
Medical License (No. 0101265214)
Active (Nov 2018 - Present)
DEA License
Controlled Substance Registration
Active (Feb 2018 - Present)
Leadership
ACG Innovation and Technology Committee
July 2021 to Present- Facilitate the growth of creativity and innovation in GI though direct engagement with innovators, clinicians and industry, resulting in development of meaningful technology and techniques.
Georgetown University School of Medicine
Jan 2023 to Aug 2025- Established the gastroenterology clerkship rotation at VHC for Georgetown medical students, integrating them into multidisciplinary outpatient and procedural care
- Implemented a gastroenterology elective for internal medicine residents, enhancing subspecialty exposure and clinical training
VHC Health Informatics Committee
Oct 2022 to Aug 2025- Led the development and implementation of Direct Access Colonoscopy pathway, collaborating with hospital administration and Epic/IT teams to enhance efficiency and access to care
- Serve on the Epic Optimization Request Subcommittee, evaluating and prioritizing clinician-submitted enhancement proposals to improve EHR usability and clinical workflows.
GME Housestaff Committee
July 2019 to June 2022- Engaged with fellow house staff and GME leadership to address concerns and issues arising during residency and specialty training
Graduate Medical Education Committee
Sep. 2017 to 2019- Engaged with GME leadership and program directors to voice the opinions and concerns of the internal medicine residency program
Business and Medicine Interest Group
2012 to 2014- Initiated the founding of a group with 3 other students to increase education and awareness of the business aspect of medicine under guidance of faculty advisor, former CEO of Jackson Health System
- Engaged with College of Engineering students at FIU to promote and coordinate development of medical apps and devices
- Responsible for organization’s brand development. Created unique logotype and original flyer template for promotional materials
Mayor of Pasteur Learning Community
2012 to 2013- Students at FIU HWCOM are placed into “Panther Learning Communities” to promote a community of learning, academic and interpersonal support, and networking
- Coordinated the execution of events, academic resources, volunteering opportunities, and recreational activities for a community consisting of 100+ students total from each class
- Worked with school administration to develop the future framework of student leadership and involvement at FIU
Peer-Reviewed Journal Articles
Pilot evaluation of a novel, automated ergonomics assessment tool.
El Kurdi B, Babar S, Soroush A, Bapaye J, Wasserman RD, Echavarria J, Shahab O, Locke C, Yang J, Koachman M, Mönkemüller K, Shaukat A. Endosc Int Open. (2025) May 12.
Large language models: a primer and gastroenterology applications.
Shahab O, El Kurdi B, Shaukat A, Nadkarni G, Soroush A. Therap Adv Gastroenterol. (2024) Feb 22.
Bristol Stool Scale as a Determinant of Hepatic Encephalopathy Management in Patients With Cirrhosis.
Duong NK, Shrestha S, Park D, Shahab O, Fagan A, Malpaya Z, Gallagher ML, Morris A, Davis BC, Bajaj JS. Am J Gastroenterol. (2022) Feb 1.
Machine Learning Predictive Outcomes Modeling in Inflammatory Bowel Diseases.
Javaid A, Shahab O, Adorno W, Fernandes P, May E, Syed S. Inflamm Bowel Dis. (2021) Aug 21.
Gastric intestinal metaplasia (GIM): When to treat? How to treat?
Abdelfattah T, Shahab O, Shah TU. Curr Opin Gastroenterol. (2021) Nov 1;37(6):602-608.
Clinical outcomes and financial impacts of malnutrition in sepsis.
McLaughlin, J., Chowdhury, N., Djurkovic, S., Shahab, O, Sayiner, M., Fang, Y., & Kennedy, R. (2020). Nutrition and Health, 26(3), 175–178.
Burden of primary biliary cholangitis among inpatient population in the United States.
Shahab, O, Sayiner, M., Paik, J., Felix, S., Golabi, P., & Younossi, Z. M. (2019). Hepatology Communications, 3(3), 356–364.
Among patients with NAFLD, treatment of dyslipidemia does not reduce cardiovascular mortality.
Shahab, O, Biswas, R., Paik, J., Bush, H., Golabi, P., & Younossi, Z. M. (2018). Hepatology Communications, 2(10), 1227–1234.
Chronic kidney disease in patients with chronic hepatitis C virus infection.
Shahab, O, Golabi, P., & Younossi, Z. M. (2018). Minerva Gastroenterologica E Dietologica, 64(4), 376–382.
Novel insights on the effect of nicotine in a murine colitis model.
AlSharari, S. D., Akbarali, H. I., Abdullah, R. A., Shahab, O, Auttachoat, W., Ferreira, G. A., White, K. L., Lichtman, A. H., Cabral, G. A., & Damaj, M. I. (2013). The Journal of Pharmacology and Experimental Therapeutics, 344(1), 207–217.
Oral Presentations
Inpatient Care of Patients with Cirrhosis and Advanced Liver Disease
VCU Medical Center, May 2021
Developed and presented a novel in-service curriculum to educate nursing staff and other care team members about in-hospital management of patients with advanced liver disease, pre and post liver transplant status.
In Medicare Patients with Hepatocellular Carcinoma (HCC), Non-Alcoholic Fatty Liver Disease (NAFLD) Is Among the Top Causes for Mortality and Resource Utilization.
O. Shahab, D. Hester, J.M. Paik, A. Goel, I. Younossi, P. Golabi, M. Afendy, & Z.M. Younossi. Oral presentation, Best of the Liver Meeting, at AASLD The Liver Meeting 2018, San Francisco, CA, November 12, 2018.
Ten-Year Burden of Primary Biliary Cholangitis Among Inpatient Population in the United States (2005-2014).
O. Shahab, M. Sayiner, J.M. Paik, S.C. Felix, P. Golabi, & Z.M. Younossi. Oral presentation at Digestive Disease Week 2018, Washington, D.C., June 5, 2018.
Hepatitis C and Chronic Kidney Disease.
O. Shahab. Oral podium presentation at Inova Department of Medicine Research Day, Falls Church, VA, April 24, 2018.
Other Publications
ACG Endoscopy Unit Orientation Manual
American College of Gastroenterology, October 2023
Contributing Author. Available online.
Abstracts and Poster Presentations
Reduction in utilization in patients with IBD enrolled in a statewide value based care program using a proactive patient engagement model.
Lawrence R. Kosinski, George Pavlou, Nadeem Baig, Charles Accurso, Omer Shahab, Sachin Singh, Leslie Athmer, Siddharth Singh. Digestive Disease Week 2024, Washington, DC. Abstract and poster presentation, May 2024.
Reduction in cost of care in patients with IBD in a large community practice using a proactive patient engagement platform.
Lawrence R. Kosinski, Omer Shahab, Sachin Singh, Siddharth Singh. Digestive Disease Week 2024, Washington, DC. Abstract and poster presentation, May 2024.
Measurement of fecal volatile organic compounds using a passive electronic nose: home-based test.
Lawrence R. Kosinski, MD, MBA, FACG, Joel Brill, MD, David Lieberman, MD, Charlie Baum, MD, Alexander Kanute, BS, Leanne Metcalfe, PhD, Sachin Singh, BS, MS, Ali Keshavarzian, MD, Michelle Villanueva, MS, Heather Rasmussen, PhD, RD, Angel Perales, Omer Shahab, MD. ACG Annual Meeting 2023, Vancouver, B.C. Abstract and poster presentation, October 2023.
Evaluation of real-time colorectal polyp histology assessment using computer aided diagnosis with augmented reality visualization: preliminary results from pilot study.
Eladio Rodriguez-Diaz, Varun A. Ravikumar, Wai-Kit Lo, Hiroshi Mashimo, Omer Shahab, Tilak Shah, Bhaumik B. Patel, Satish K. Singh. Digestive Disease Week 2022, San Diego, CA. Abstract and poster presentation, May 2022.
Good inter-rater agreement for advanced fibrosis on liver histology compared to clinical trial pathology in nonalcoholic fatty liver disease – an experience from a Veterans Affairs center.
P. Puri, O. Shahab & M. Fuchs. Digestive Disease Week 2021, virtual. Abstract and poster presentation, May 2021.
Improved Remission with Proactive Therapeutic Drug Monitoring of Ustekinumab for Crohn’s Disease.
O. Shahab, R. Sterling & J.K. Gaidos. ACG Annual Meeting 2020, virtual. Abstract and poster presentation, October 2020.
Prevalence and Long-Term Outcomes of Non-Alcoholic Fatty Liver Disease (NAFLD) in Female Subjects in the United States.
T. Arshad, P. Golabi, J.M. Paik, O. Shahab, M. Erario, & Z.M. Younossi. AASLD Liver Meeting 2018, San Francisco, CA. Abstract and poster presentation, November 9, 2018.
Implementing a Standardized Checklist During Multidisciplinary Rounds in the Intensive Care Unit.
O. Alam, N. Chowdhury, M. De La Rosa, M. Kim, O. Shahab, M. Terek, S. Djurkovic. Alliance for Academic Internal Medicine, Fall Meeting 2018. Abstract and poster presentation, October 2018.
Long-term outcomes of diabetic patients with Non-alcoholic fatty liver disease (NAFLD).
P. Golabi, O. Shahab, Z.M. Younossi. AASLD Liver Meeting 2017, Washington, D.C. Abstract and poster presentation, October 2017.
Assessing the Effectiveness of Outpatient Follow-up Visits on Discharge in Improving 30-day Hospital Readmission Rates.
S. Elfeky, E. Footman, A. Morgan, Z. Wasti, O. Shahab, M. Kim, M. Sayiner, M. De La Rosa, N. Chowdhury. Inova Quality Improvement Symposium. Poster presentation, May 2017.
Serum Calcium Levels on Admission and In-Hospital Mortality After Incidental Acute Myocardial Infarction.
A. Al-Abdullah, H. Frimpong, O. Shahab. Florida Medical Student Research Journal, Miami, FL. Abstract and poster presentation, April 2016.
Extracurricular and Advisory Experience
SonarMD
October 2022 to January 2024- SonarMD is the leading value-based care coordination program for digestive health. We partner with health plans and providers to align incentives around proactive, cost-effective care for patients with chronic gut health conditions.
- Clinical oversight and developing care pathways, risk stratification and predictive analytics for patients with inflammatory bowel disease
ACG Abstract Reviewer
June 2023 to present- Review abstracts for oral and poster presentation at ACG annual meeting
FIU College of Medicine Admissions Interview Panel
July 2021 to present- Interviewer to evaluate prospective medical school applications for the Herbert Wertheim College of Medicine
Bold Health
January 2021 to April 2023- Bold Health develops digital therapeutics for the management of gastrointestinal disease including IBS, with efficacy supported by clinical trials in peer-reviewed journals
- Involved in developing an integrated multidisciplinary virtual digestive care platform for digestive disease
Project H.E.A.R.T.
July 2019 to June 2022- Group co-leader meeting with a small group of eight medical students a few times per semester to address topics of wellness, resilience, and professional identity development
Dieta Health
October 2020 to February 2021- Dieta captures data on a patient’s diet, bowel movements, medications, and other factors, and uses machine learning to generate recommendations for relieving IBS symptoms and improving QOL
- Development of IBS treatment pathways, refinement of AI-based suggestions
Specialty Residency Rounds: Internal Medicine
June 22, 2020- Participated on a panel with other medical school faculty and program directors to help guide and answer questions from medical students applying to internal medicine residency at Herbert Wertheim College of Medicine at Florida International University
VCU Learners as Teachers: Stanford Curriculum
February 2020- Received certification on effective skills and techniques to teach and engage learners of various stages during medical school, residency, and fellowship training
Professional and Society Memberships
American Gastroenterological Association
June 2019 to PresentAmerican College of Gastroenterology
June 2019 to PresentAmerican Association for the Study of Liver Diseases
October 2018 to PresentOther Interests and Hobbies
Digital health, AI in medicine, basketball, family.