Assistant Professor
Department of Medicine
Gastroenterology and Hepatology
Baylor College of Medicine
Houston, TX, US

Board Certifications

American Board of Internal Medicine
American Board of Internal Medicine- Gastroenterology & Hepatology

Clinical Interests

  • Esophageal motility disorders & Swallowing disorders (dysphagia)
  • Barrett's Esophagus
  • Eosinophilic Esophagitis
  • Colorectal Cancer Screening. EMR (Endoscopic Mucosal Resection)
  • Gastroesophageal Reflux Disease (GERD), acid and non-acid reflux, refractory reflux
  • Esophageal testing: High resolution manometry, impedance and pH monitoring


MD from Universidad Nacional De Colombia
Internship at Internal Medicine- New York Medical College
Residency at Internal Medicine- New York Medical College
Clinical Fellowship at Esophageal Disorders- Medical University of South Carolina
Clinical Fellowship at Gastroenterology- New York Medical College

Dr. Arevalo is a specialist in swallowing disorders, esophageal diseases and gastrointestinal motility. He is an expert in esophageal testing including high resolution manometry, multichannel intraluminal impedance pH studies, capsule-based pH monitoring.

Dr. Arevalo performs diagnostic and therapeutic endoscopic procedures for complex esophageal disorders (including endoscopic pneumatic dilatation), video capsule endoscopy, wireless motility capsule, endoscopy, colonoscopy procedures, and EMR (Endoscopic Mucosal Resection).

He received his medical degree from Universidad Nacional de Colombia. His educational background includes General Surgery Residency experience in Colombia during which Dr. Arevalo decided to pursue further research opportunities and came to the United States to work with Dr. Jeffrey Ponsky world-renowned innovator of surgical and endoscopic techniques at the Minimally Invasive Surgery Center, Cleveland Clinic Foundation in Ohio.

His extensive training includes an Internal medicine residency and Gastroenterology fellowship at New York Medical College in New York as well as a clinical research fellowship in Esophageal Motility Disorders at Medical University of South Carolina in Charleston under the guidance of Dr. Donald Castell, internationally recognized as a leading authority on diseases of the esophagus and esophageal function.


American College of Gastroenterology
American Society of Gastrointestinal Endoscopy
American Gastroenterological Association
American Neurogastroenterology and Motility Society

Honors & Awards

Award in recognition of Leadership status. Assistant Chief Medical Resident. New York Medical College
Award Outstanding community service. New York Medical College