Jeffrey D. Mosko




Dr. Jeffrey Mosko is a Clinician in Quality and Innovation (CQI) in the Division of Gastroenterology at St. Michael’s Hospital and an Assistant Professor of Medicine in in the Department of Medicine at the University of Toronto. He serves as the gastroenterology divisional director of postgraduate education at St. Michael’s Hospital. He graduated with a BSc and then MD from the University of Western Ontario. He completed his internal medicine and general gastroenterology training at the University of Toronto. He then completed his fellowship training in advanced endoscopy at Beth Israel Deaconess Medical Center and Harvard Medical School in Boston, Massachusetts and has been on staff at St. Michael’s Hospital in Toronto since that time. He completed an MSc in Quality Improvement and Patient Safety at the Institute of Health Policy, Management and Evaluation at the University of Toronto and continues to teach in the MSc program there. He serves as a co-director of the advanced endoscopy fellowship at St. Michael’s Hospital and the International Course on Therapeutic Endoscopy.

Dr. Mosko’s research is in quality improvement in endoscopy. He has led local initiatives to improve sedation for advanced endoscopic procedures, management of acute pancreatitis and the patient experience in endoscopy, among others. He is leading provincial/national initiatives to improve access to endoscopic ultrasound, colonoscopy skills and polypectomy technique. Finally, he is collaborating on an international scale to translate best practices to meaningful quality measures.

Recent Publications

  1. Gupta, S, He, T, Mosko, JD, Causada Calo, NS, Teshima, C, May, GR et al.. A double-incision endoscopic myotomy of the cricopharyngeal muscle for the management of a large hemi-circumferential Zenker's diverticulum. Endoscopy. 2024;56 (S 01):E388-E389. doi: 10.1055/a-2307-5809. PubMed PMID:38714297 PubMed Central PMC11076135.
  2. Khalaf, K, Seleq, S, Bourke, MJ, Alkandari, A, Bapaye, A, Bechara, R et al.. Establishment of Standards for the Referral of Large Non-Pedunculated Colorectal Polyps: An International Expert Consensus Using a Modified Delphi Process. Gastrointest Endosc. 2024; :. doi: 10.1016/j.gie.2024.02.001. PubMed PMID:38331224 .
  3. Khan, R, Samnani, S, Vaska, M, Grover, SC, Walsh, CM, Mosko, J et al.. Effectiveness and safety of thin vs. thick cold snare polypectomy of small colorectal polyps: Systematic review and meta-analysis. Endosc Int Open. 2024;12 (1):E99-E107. doi: 10.1055/a-2221-7792. PubMed PMID:38250163 PubMed Central PMC10798846.
  4. Wilson, N, Abdallah, M, Schulman, AR, Mosko, JD, Saeed, A, Kothari, S et al.. Outcomes of cold snare endoscopic mucosal resection of nonampullary duodenal adenomas ≥1 cm: a multicenter study. Gastrointest Endosc. 2023; :. doi: 10.1016/j.gie.2023.12.007. PubMed PMID:38092125 .
  5. Richard, ES, Hrycyshyn, A, Salman, N, Remtulla Tharani, A, Abbruzzino, A, Smith, J et al.. Iron Surveillance and Management in Gastro-Intestinal Oncology Patients: A National Physician Survey. Curr Oncol. 2023;30 (11):9836-9848. doi: 10.3390/curroncol30110714. PubMed PMID:37999134 PubMed Central PMC10670404.
  6. Chen, YI, Sahai, A, Donatelli, G, Lam, E, Forbes, N, Mosko, J et al.. Endoscopic Ultrasound-Guided Biliary Drainage of First Intent With a Lumen-Apposing Metal Stent vs Endoscopic Retrograde Cholangiopancreatography in Malignant Distal Biliary Obstruction: A Multicenter Randomized Controlled Study (ELEMENT Trial). Gastroenterology. 2023;165 (5):1249-1261.e5. doi: 10.1053/j.gastro.2023.07.024. PubMed PMID:37549753 .
  7. Li, S, Fujiyoshi, Y, Jugnundan, S, May, G, Marcon, N, Mosko, J et al.. Impact of Residing in Below Median Household Income Districts on Outcomes in Patients with Advanced Barrett's Esophagus. J Can Assoc Gastroenterol. 2023;6 (4):137-144. doi: 10.1093/jcag/gwad018. PubMed PMID:37538188 PubMed Central PMC10395662.
  8. Li, S, Mosko, J, May, G, Teshima, C. A Nationwide Survey of Training Pathways and Practice Trends of Endoscopic Submucosal Dissection in Canada. J Can Assoc Gastroenterol. 2023;6 (2):80-85. doi: 10.1093/jcag/gwac037. PubMed PMID:37025511 PubMed Central PMC10071294.
  9. Calo, NC, Mundra, P, Kundra, A, Kenshil, S, Mosko, JD, Forbes, N et al.. Radiation Safety and Standards for Women in Endoscopy: Summary of Concepts, Current Guidance, and Future Directions. Clin Gastroenterol Hepatol. 2023;21 (11):2716-2722. doi: 10.1016/j.cgh.2023.03.013. PubMed PMID:36967097 .
  10. Honda, H, Mosko, JD, Kobayashi, R, Fecso, A, Kim, BS, Scott, S et al.. Endoscopic ultrasound-directed transgastric endoscopic retrograde cholangiopancreatography for patients with Roux-en-Y gastric bypass anatomy: technical overview. Clin Endosc. 2022;55 (6):736-741. doi: 10.5946/ce.2022.114. PubMed PMID:36464820 PubMed Central PMC9726442.
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