Gregory Wiener, MD

  • Gastroenterology
353 Church Ave
Ste A
Chula Vista, CA 91910
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  • Spanish
  • English


Dr. Gregory Wiener is fellowship-trained in gastroenterology and specializes in helping patients with digestive tract issues. He manages many gastroenterological conditions, such as constipation, diarrhea, IBS, colitis, swallowing issues, liver disease, Hepatitis C, fatty liver and cirrhosis. In addition, he provides colon cancer prevention and digestion/nutrition consultations. Dr. Wiener can also offer patients access to clinical trials, providing the latest medications and treatment options. He has been practicing since 1990 and speaks Spanish, French and English.

Board Certifications

American Board of Internal Medicine, Gastroenterology, 1987American Board of Internal Medicine, 1985

Medical Education

University of El Salvador, MD, 1982


Baylor College of Medicine, Internal Medicine, 1983


Baylor College of Medicine, Internal Medicine, 1985


Wake Forest University School of Medicine, Gastroenterology, 1987

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