Center for Endoscopy
Our Physicians
Christopher E. Devereaux | MD
- College: UCLA, CA
- Medical School: University of Chicago, Pritzker School of Medicine, IL
- Internship: Naval Medical Center, San Diego, CA – Internal Medicine
- Residency: Naval Medical Center, San Diego, CA – Internal Medicine
- Fellowship: Naval Medical Center, San Diego, CA – Gastroenterology
- Board Certified: American Board of Internal Medicine – Internal Medicine & Gastroenterology
- Joined North County Gastroenterology & the Center for Endoscopy August 1999
- Dr. Devereaux lives in San Diego with his wife and two children. He enjoys listening to all types of music and researching his family’s history.
Thomas C. Krol | MD, FACP
- College: Loyola University of Chicago, IL
- Medical School: Loyola University. Stritch School of Medicine, IL
- Internship: Loyola University, Stritch School of Medicine, IL – Internal Medicine
- Residency: Loyola University, Foster McGaw Hospital, IL – Internal Medicine
- Fellowship: UCSD, CA – Gastroenterology
- Board Certified: American Board of Internal Medicine – Internal Medicine & Gastroenterology
- Joined North County Gastroenterology May 1983
- One of the founding physicians who opened the Center for Endoscopy in 1991
- Dr. Krol lives in Carlsbad with his wife and three children. He enjoys exercising, skiing, and has obtained a third degree black belt in Shaolin Kempo.
Javaid A. Shad | MD, MBA
- College: University of Texas, Austin, TX
- Medical School: University of Texas, TX
- Internship: Naval Medical Center, San Diego, CA – Internal Medicine
- Residency: Naval Medical Center, San Diego, CA – Internal Medicine
- Fellowship: Naval Medical Center, San Diego, CA – Gastroenterology
- MBA: University of Tennessee, TN
- Board Certified: American Board of Internal Medicine – Internal Medicine & Gastroenterology
- Joined North County Gastroenterology & the Center for Endoscopy December 2003
- Dr. Shad lives in Carlsbad with his wife and two daughters.
Michael Shim | MD
- College: Brown University, RI
- Medical School: New York University School of Medicine, NY
- Internship: New York University School of Medicine, NY – Internal Medicine
- Residency: New York University School of Medicine, NY – Internal Medicine
- Fellowship: UCLA Division of Digestive Diseases, CA – Gastroenterology
- Board Certified: American Board of Internal Medicine – Gastroenterology
- Joined North County Gastroenterology & the Center for Endoscopy June 2008
- Dr. Shim lives in Carlsbad with his wife and two daughters, and enjoys the perfect weather of coastal San Diego County.
Eric Viernes | MD
- College: University of California, Berkeley, CA
- Medical School: University of Wisconsin, WI
- Internship: UCLA Medical Center, CA – Internal Medicine
- Residency: UCLA Medical Center, CA – Internal Medicine
- Fellowship: Scripps Clinic, Green Hospital. CA – Gastroenterology
- Board Certified: American Board of Internal Medicine – Internal Medicine & Gastroenterology
- Joined North County Gastroenterology & the Center for Endoscopy July 2001
- Dr. Viernes lives in Carlsbad with his family. He is an avid runner, and has competed in many marathons, including the New York Marathon.
Helen Chiao | MD
- Medical School: Medical College of Wisconsin
- Internship: Scripps Clinic/ Scripps Green Hospital – Internal Medicine
- Residency: Scripps Clinic/ Scripps Green Hospital – Internal Medicine
- Fellowship: Scripps Clinic, Green Hospital – Gastroenterology
- Board Certified: American Board of Internal Medicine – Internal Medicine & Gastroenterology