Who is the oldest doctor in the United States? Meet Dr. Howard Tucker
According to the Guinness World Records, the longest-serving physician in the world is also the oldest doctor in the United States. This remarkable centenarian, Dr. Howard Tucker, is a Cleveland neurologist who continues to inspire through his work well into his second century of life. The answer to **who is the oldest doctor in the United States** is not just about age, but about a lifelong dedication to learning and health.