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John Allen is a gastroenterologist professional located in Ann Arbor, MI. They specialize in internal medicine, gastroenterology. With over 20 years of experience, they bring deep expertise to every client.
John Allen holds an active professional license for your protection.
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John Allen is a gastroenterologist based in Ann Arbor, Michigan, with 20 years of experience in the field. He holds an MD degree and maintains an active license (License #4301110254). His extensive background in gastroenterology reflects a commitment to diagnosing and treating digestive system conditions across two decades of medical practice.
John Allen holds an MD (Doctor of Medicine), which indicates he completed medical school and has undergone rigorous training in internal medicine and gastroenterology. His active license (License #4301110254) confirms he is authorized to practice medicine in Michigan and is subject to state medical board oversight. As a gastroenterologist, he specializes in diagnosing and treating diseases of the digestive system, including the stomach, intestines, and related organs. His 20 years of experience demonstrates substantial expertise in managing complex gastrointestinal conditions.