Dr. Wale Ajumobi is a board-certified gastroenterologist.  He performs several GI and endoscopic procedures including upper endoscopy (EGD), percutaneous endoscopic gastrostomy (PEG) tubes, Bravo PH, breath tests, radiofrequency ablation (RFA), endoscopic mucosal resection (EMR), colonoscopy, capsule endoscopy, enteroscopy, and manometry.  He is skilled in the removal of large colon polyps that would have otherwise required surgery.

He received his MBA from the University of La Verne, California. He completed his internship and residency training at Loma Linda University, California. After residency training, he worked as a staff physician with Loma Linda VA Healthcare System and as Assistant Professor of Medicine at Loma Linda University from 2008-2012. He then completed a gastroenterology and hepatology fellowship at University of Texas Health Science Center, San Antonio. He completed a certificate course in clinical safety and effectiveness at the University of Texas.

He has published many articles in leading journals and sits on the editorial board of a peer-review journal.

He is the recipient of several awards including the Steven Schenker “Editor-in-Chief” Award for the fellow with the most significant research contribution and the highest pursuit of scholarly activity.

He is the founder and editor of bowelprepguide.com, a website dedicated to providing bowel preparation resources to patients and providers. Dr. Wale Ajumobi is the recipient of the American College of Gastroenterology 1st annual Service Award for Colorectal Cancer Outreach, Prevention & Year-Round Excellence (SCOPY).

He is a fellow of the American College of Physicians and a fellow of the American College of Gastroenterology.




Ajumobi AB, Khaled B, Jackson C, Griffin R.  Surveillance in Barrett’s Esophagus: An audit of Practice. Digestive Diseases and Sciences 2010; 55: 1615-1621

Ajumobi, AB, Vuong R, Ahaneku H. Analysis of non-formulary use of PPIs and excess drug cost in a veteran’s affairs population. J Manag Care Pharm. 2012; 18(1): 63-67.

Ajumobi, AB, Malakouti M, Bullen A, Ahaneku H, Lunsford TN. YouTube™ as a source of instructional videos on bowel preparation: a content analysis.  J Cancer Educ. 2015 July; DOI 10.1007/s13187-015-0888-y

Corona J, Patel A, Frazier R, Mathur N, Stauch C, Ajumobi, A, Lapey S, Lunsford T, Poy I. Ascites module for third-year medical students: Group-based learning workshop on the diagnosis, work-up and management of ascites. MedEdPORTAL. 2017; 13: 10546.



Ajumobi A, Bland D, Ing M. When to suspect nosocomial fever: A practical approach to diagnosis. Resident and Staff Physician 2008; 54:34-39.

Ajumobi A, Griffin R. Diabetic Gastroparesis: Evaluation and Management. Hospital Physician 2008; 44: 27-35.

Ajumobi AB, Daniels JA, Sostre CF, Trevino HH. Giardiasis in a hematopoietic stem cell transplant patient. Transpl Infect Dis 2014; 16: 984-7. DOI:10.1111/tid.12272.

Ajumobi A, Magulick J, Wright R. Constipation and weight loss in a Honduran immigrant. Gastroenterology 2015 June; 148 (7): e3-4



Ajumobi AB, Khaled B, Griffin RA. Are Patients with Barrett’s Esophagus Likely to Develop Cancer or High-Grade Dysplasia if they Miss their Surveillance Endoscopy? Am J Gastroenterol 2007; 102: S131

Ajumobi AB, Khaled B, Rajiv S, Griffin RA. Barrett’s Esophagus under Antisecretory Therapy: The Higher the Severity of Dysplasia, the Higher the Likelihood of Regression. Am J Gastroenterol 2007; 102: S129-S130

Ajumobi AB. Can Fluctuations in Pathologic Grade of Patients with Barrett’s Esophagus Predict Progression? Gastrointest Endosc 2008; 67(5): AB175

Ajumobi AB, Vuong R, Ahaneku H. Gender Differences in Healthcare Utilization among Long Term Users of Proton Pump Inhibitors. Am J Gastroenterol 2013; 108: S470  

Ajumobi, AB. Genotypic and Phenotypic Differences between Celiac Disease and Non-celiac Gluten Sensitivity: A systematic Review of Literature. Am J Gastroenterol 2013; 108: S94

Ajumobi AB, Gross G, Lunsford T. Effect of Participation in GIQuIC on Colonoscopy Report and Documentation Time for Quality Metrics.  Am J Gastroenterol 2014; 109: S648

Versha F, Young R, Ajumobi A. A Rare Cause of Acute Pancreatitis. Am J Gastroenterol 2018; 113: S762 

Qureshi A, Ghobrial Y, De Castro J, Ajumobi, A. Diagnostic dilemma in a case of limited scleroderma mimicking celiac disease. J Gen Intern Med 2020: DOI: 10.1007/s11606-020-05890-3.

Ghobrial Y, Qureshi A, De Castro J, Ajumobi, A. (2020) The Great Mimicker: An unusual presentation of Klebsiella Pneumoniae in a middle-aged man. J Gen Intern Med. S443-S444

Ghobrial Y, Qureshi A, De Castro A, Ajumobi A. Hepatic metastatic neuroendocrine tumor masquerading as liver cirrhosis.  J Gen Intern Med 2020: DOI: 10.1007/s11606-020-05890-3.

 Qureshi A., DeCastro J., Ghobrial Y., Ajumobi A.  Fecal Occult Blood Testing is Unnecessary in the Emergency Department. Accepted to American College of Gastroenterology Scientific Meeting 2020. 

Qureshi A., Chalachan C.,Tanare M., Ajumobi A. Online educational module improves knowledge of nurses on bowel preparation for colonoscopy. Accepted to American College of Gastroenterology Scientific Meeting 2020.



Ajumobi, AB. Series of articles on bowel preparation and colonoscopy; 2014-Present. Accessed at www.bowelprepguide.com.

Ajumobi, AB. The hidden costs of an inadequate bowel preparation for colonoscopy. KevinMD.com. January 6, 2015. Accessed at http://www.kevinmd.com/blog/2015/01/hidden-costs-inadequate-bowel-   preparation-colonoscopy.html

Ajumobi, AB. You need to screen for this too. Healthgist.com. March 1, 2015. Accessed at https://healthgist.com/what-you-need-to-know-about-your-colon-rectum

Ajumobi, AB. 3 ways to prevent colorectal cancer. KevinMD.com. March 2, 2015.  Accessed at http://www.kevinmd.com/blog/2015/03/3-ways-prevent-colorectal-cancer.html

Ajumobi, AB. AEDs Should Be Ubiquitous.  OpMedDoximity.com. November 30, 2018. Accessed at https://opmed.doximity.com/articles/aeds-should-be-ubiquitous

Ajumobi, AB. Should We Start Screening Average-Risk Adults for Colorectal Cancer Starting at Age 45? OpMedDoximity.com. March 30, 2019. Accessed at https://opmed.doximity.com/articles/should-we-start-screening-average-risk-adults-for-colorectal-cancer-starting-at-age-45

Ajumobi, AB. We should communicate like we are in a code blue. KevinMD.com. June 30, 2020. Accessed at https://www.kevinmd.com/blog/2020/06/we-should-communicate-like-we-are-in-a-code-blue.html