TEL: 503-297-8081
FAX: 503-292-6601

Dr. Vallejos graduated from the University of California and later completed his residency at the Baylor College of Medicine in Houston, Texas. He finished his fellowship at the Scripps Clinic in San Diego, California. Dr. Vallejos brings The Oregon Clinic Gastroenterology West several honors and awards including the Hispanic Center of Excellence Scholarship, the Scripps Clinic-Outstanding Clinical Fellow of the Year, and the Wyeth-Ayerst Grant for Fellow Participation. He is board-certified in Gastroenterology and Internal Medicine.

Other Activities

Member, American Association for the Study of Liver Diseases

Member, American College of Gastroenterology

Member, American Gastroenterological Association

Member, American Society for Gastrointestinal Endoscopy

Member, Oregon Medical Association


Fellowship, Gastroenterology and Hepatology, Scripps Clinic, San Diego, CA, 2004

Internship and Residency, Baylor College of Medicine, Houston, TX, 2000

MD, University of California, San Diego, La Jolla, CA, 1996

BA, University of California, Berkeley, Berkeley, CA, 1989



Internal Medicine


Scripps Clinic-Outstanding Clinical Fellow of the Year

Wyeth-Ayerst Grant for fellow participation-DDW

Hispanic Center of Excellence Scholarship

National Hispanic Scholarship Fund Recipient 1996

University of California Deans Honor List 1991-1993

University of California Men’s Varsity Soccer All League Distinction 1991

University of California Chancellor’s Scholarship Recipient 1989