Dr. John B Marshall MD
Gastroenterologist | Gastroenterology
One Hospital Dr Columbia MO, 65212About
Dr. John Marshall is a gastroenterologist practicing in Columbia, MO. Dr. Marshall specializes in the digestive system and its diseases that affect the gastrointestinal tract, which include organs from the mouth to the anus as well as liver disorders. Gastroenterology includes conditions such as hepatitis, peptic ulcer disease, colitis, nutritional problems and irritable bowel syndrome. Dr. Marshall performs colonoscopy and endoscopy procedures and provides accurate and thorough care for patients suffering from digestive issues.
Education and Training
Univ of Mo, Columbia Sch of Med, Columbia Mo 1977
Board Certification
Internal MedicineAmerican Board of Internal MedicineABIM
Provider Details
Dr. John B Marshall MD's Practice location
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