Glenn David Littenberg MD FACP
Gastrointestinal Functional & Motility Disorders, Hepatology & Liver Transplantation, Inflammatory Bowel Disease
Managing Partner, Gastroenterology Associates (www.pasadenagastro.net), 4 physician GI group
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630 S Raymond AveUnit 240Pasadena, CA 91105
Phone+1 626-449-9920
Fax+1 626-578-7366
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Summary
- I am a board certified gastroenterologist practicing with 5 other GI specialists at our site, and part of inSite Digestive Healthcare, the largest independent GI specialty group in California with over 50 physicians in numerous communities. Check us out at inSitedigestive.com and follow us on all major social media!
Education & Training
UCLA David Geffen School of Medicine/UCLA Medical CenterFellowship, Gastroenterology, 1977 - 1978
University of Southern California/Los Angeles General Medical Center (USC/LA General)Residency, Internal Medicine, 1973 - 1976
Keck School of Medicine of the University of Southern CaliforniaClass of 1973
Certifications & Licensure
CA State Medical License 1974 - 2026
American Board of Internal Medicine Internal Medicine- American Board of Internal Medicine Gastroenterology
National Board of Physicians and Surgeons Gastroenterology- National Board of Physicians and Surgeons Internal Medicine
Awards, Honors, & Recognition
- Fellow, ASGE (FASGE) American Society for Gastrointestinal Endoscopy, 2016
- Master (MACP) American College of Physicians, 2014
- Board Member, founding SCGA Southern California Gastroenterology Associates, 2012
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Publications & Presentations
PubMed
- Reimbursement and Regulatory Landscape for Artificial Intelligence in Medical Technology.Edward Sun, Glenn Littenberg
Gastrointestinal Endoscopy Clinics of North America. 2025-04-01 - 8 citationsThe Role of the Gastrointestinal Hospitalist in Optimizing Endoscopic Operations.Edward Sun, Michelle L. Hughes, Sarah Enslin, Kathy Bull-Henry, Vivek Kaul
Gastrointestinal Endoscopy Clinics of North America. 2021-07-20 - 1 citationsPathway to endosurgery and third-space endoscopy reimbursement: understanding the past to get payment in the future.Seth A. Gross, Edward Sun, Vivek Kaul, Glenn Littenberg
Gastrointestinal Endoscopy. 2019-10-01
Press Mentions
15 Reports on COVID-19 from the World of GastroenterologyApril 25th, 2020- Q&A: Endoscopists Need to Prioritize Health Screenings, Procedures During COVID-19 PandemicMarch 27th, 2020
ASGE EndoVators Summit: Defining the Role and Value of Endoscopic Therapies in Obesity ManagementOctober 12th, 2017
Professional Memberships
- Fellow
- Chair, Practice Management Committee & CPT Adviser to AMA
- Member
- Member, & past member CPT Editorial Panel; CPT Advisor for ASGE
Other Languages
- Spanish, Chinese (Mandarin), Arabic, Armenian
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