621 Camden Street, San Antonio, Texas 78215
Phone: (210) 253-3422 / Toll Free: (800) 2782571

Dr. Hector D. Allende is board certified in Gastroenterology and Internal Medicine is a sub-investigator.  Dr. Allende has extensive experience in Gastroenterology and has been participating in clinical trials, which emphasis in IBS and GERD, since 1981.