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Office
2002 Holcombe Blvd
Houston, TX 77030Phone+1 713-791-1414
Education & Training
Icahn School of Medicine at Mount Sinai/Mount Sinai HospitalFellowship, Gastroenterology, 1979 - 1982
VA Caribbean Healthcare SystemResidency, Internal Medicine, 1976 - 1979
University of Puerto Rico School of MedicineClass of 1976
Certifications & Licensure
NY State Medical License 1980 - Present
TX State Medical License 1990 - 2026- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Gastroenterology
Publications & Presentations
PubMed
- 60 citationsHelicobacter pylori-negative gastritis: prevalence and risk factors.Helena Nordenstedt, David Y. Graham, Jennifer R. Kramer, Massimo Rugge, Gordana Verstovsek
The American Journal of Gastroenterology. 2013-01-01 - 99 citationsVisceral abdominal obesity measured by CT scan is associated with an increased risk of Barrett's oesophagus: a case-control studyHashem B. El-Serag, Ali A Hashmi, Jose M. Garcia, Peter Richardson, Abeer Alsarraj
Gut. 2013-02-01 - 46 citationsDietary Nutrients Involved in One-Carbon Metabolism and Colonic Mucosa-Associated Gut Microbiome in Individuals with an Endoscopically Normal ColonShawn Gurwara, Nadim J. Ajami, Albert Jang, Frances C. Hessel, Liang Chen
Nutrients. 2019-03-13
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