About Isaac Raijman

Isaac Raijman, is a nationally- and internationally-recognized physician for his expertise in therapeutic endoscopy. He is board-certified in internal medicine and gastroenterology and is president of the Digestive Associates of Houston. He also serves as a clinical assistant professor at The Baylor College of Medicine and clinical associate professor at The University of Texas Health Science Center, as well as the Chief of Gastroenterology at the St. Luke’s Episcopal Hospital in Houston, TX.

In the past, he served as a Director of Therapeutic Endoscopy at University of Texas Health Science Center and a clinical assistant professor of medicine in the division of Oncology and Digestive Diseases at MD Anderson Cancer Center. Dr. Raijman has authored numerous scientific publications, including abstracts, articles and book chapters and serves as a reviewer for several peer review journals.

He is a fellow of the American Gastroenterological Association, the American Society of Gastrointestinal Endoscopy and the American College of Physicians and a member of multiple medical societies. Dr. Raijman regularly receives recognition of his contributions to medicine by local, national and international organizations.


Medical School
Universidad Nacional Autonoma de Mexico

University of Wisconsin

University of Wisconsin

University of Texas Health Science Center

Certifications & Memberships

American Board of Internal Medicine

American Board of Internal Medicine in Gastroenterology




Internal Medicine

Office Locations

4100 S Shepherd Dr
Houston, TX 77098
Phone: (713) 795-4444
Fax: (713) 795-5254